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References
- Ardiyani, Erdiansyah. 2012. Sertifikasi Kopi Berkelanjutan di Indonesia. Jember, Indonesia. Warta Pusat Penelitian Kakao dan Kopi di Indonesia.
- Badan Pusat Statistik. 2016. Statistik Kopi. Jakarta, Indonesia: Badan Pusat Statistik.
- Badan Pusat Statistik. 2017. Luas Tanaman dan Produksi Kopi Arabika Tanaman Perkebunan Rakyat menurut Kabupaten/Kota 2017. Tersedia pada https://sumut.bps.go.id
- Conservation International. 2012. C.A.F.E. Practices Results Assessment Fiscal Years 2011-2012. Tersedia pada http://www.conservation.org/publications DeFries, R.S., Fanzo,
- J., Mondal, P., Remans, R., Wood, S.A. 2017. Is voluntary certification of tropical agricultural commodities achieving sustainability goals for small-scale producers? a review of the evidence. Environ Research Letter. 12(3):124-146.
- Haggar, J., Soto, G., Casanoves, F., & Virginio, E.d.M. 2017. Environmental Economic Benefits and Trade-offs on Sustainably Certified Coffee Farms. Ecological Indicators, 79(4), 330–337. doi:
- 1016/j.ecolind.2017.04.023
- Hosmer, D.W., and Lemeshow, S. 2000. Applied Logistic Regression . New Jersey, United states: John Wiley & Sns, Inc.
- Nugroho, P., Firdaus, M., Asmara, A. 2018. Pengaruh Standar Keamanan Pangan terhadap Ekspor Produk Biofarmaka Indonesia. Jurnal Ekonomi dan Kebijakan Pembangunan, 6(1), 41-57.
- Purba, O.M. , Toekidjo, J. P. 2013. Produktivitas Kopi Arabika (Coffea arabica L.) Rakyat di Kecamatan Raya Kabupaten Simalungun. Vegetalika, 1(2), 67-77.
- Rosenbaum, P.R., Rubin, D.B. 1984. Reducing Bias in Observational Studies Using Subclassification on the Propensity Score. Journal of the American Statistical Association, 79 (387), 516-524.
- Saragih, J.R. (2016). Produksi Kopi Arabika Spesialti Sumatera Utara : Analisis Sosial Ekonomi, Ekologi, dan Kebijakan Pemerintah Daerah. www.usi.ac.id/karya ilmiah dosen.
- Sepulveda, W.S., Chekmam, L., Maza, M.T., Mancilla, N.O. 2016. Consumers' preference for the origin and quality attributes associated with production of specialty coffees: Results from a cross-cultural study. Food Research International, 89, 997-1003. doi: 10.1016/j.foodres.2016.03.039
- Vellema, W., Casanova, A.B., Gonzalez, C, D’Haese, M. 2015. The Effect of Specialty Coffee Certification on Household Livelihood Strategies and Specialisation. Food Policy, 57 (9),13-25. doi: 10.1016/j.foodpol.2015.07.003
References
Ardiyani, Erdiansyah. 2012. Sertifikasi Kopi Berkelanjutan di Indonesia. Jember, Indonesia. Warta Pusat Penelitian Kakao dan Kopi di Indonesia.
Badan Pusat Statistik. 2016. Statistik Kopi. Jakarta, Indonesia: Badan Pusat Statistik.
Badan Pusat Statistik. 2017. Luas Tanaman dan Produksi Kopi Arabika Tanaman Perkebunan Rakyat menurut Kabupaten/Kota 2017. Tersedia pada https://sumut.bps.go.id
Conservation International. 2012. C.A.F.E. Practices Results Assessment Fiscal Years 2011-2012. Tersedia pada http://www.conservation.org/publications DeFries, R.S., Fanzo,
J., Mondal, P., Remans, R., Wood, S.A. 2017. Is voluntary certification of tropical agricultural commodities achieving sustainability goals for small-scale producers? a review of the evidence. Environ Research Letter. 12(3):124-146.
Haggar, J., Soto, G., Casanoves, F., & Virginio, E.d.M. 2017. Environmental Economic Benefits and Trade-offs on Sustainably Certified Coffee Farms. Ecological Indicators, 79(4), 330–337. doi:
1016/j.ecolind.2017.04.023
Hosmer, D.W., and Lemeshow, S. 2000. Applied Logistic Regression . New Jersey, United states: John Wiley & Sns, Inc.
Nugroho, P., Firdaus, M., Asmara, A. 2018. Pengaruh Standar Keamanan Pangan terhadap Ekspor Produk Biofarmaka Indonesia. Jurnal Ekonomi dan Kebijakan Pembangunan, 6(1), 41-57.
Purba, O.M. , Toekidjo, J. P. 2013. Produktivitas Kopi Arabika (Coffea arabica L.) Rakyat di Kecamatan Raya Kabupaten Simalungun. Vegetalika, 1(2), 67-77.
Rosenbaum, P.R., Rubin, D.B. 1984. Reducing Bias in Observational Studies Using Subclassification on the Propensity Score. Journal of the American Statistical Association, 79 (387), 516-524.
Saragih, J.R. (2016). Produksi Kopi Arabika Spesialti Sumatera Utara : Analisis Sosial Ekonomi, Ekologi, dan Kebijakan Pemerintah Daerah. www.usi.ac.id/karya ilmiah dosen.
Sepulveda, W.S., Chekmam, L., Maza, M.T., Mancilla, N.O. 2016. Consumers' preference for the origin and quality attributes associated with production of specialty coffees: Results from a cross-cultural study. Food Research International, 89, 997-1003. doi: 10.1016/j.foodres.2016.03.039
Vellema, W., Casanova, A.B., Gonzalez, C, D’Haese, M. 2015. The Effect of Specialty Coffee Certification on Household Livelihood Strategies and Specialisation. Food Policy, 57 (9),13-25. doi: 10.1016/j.foodpol.2015.07.003