Harahap, M.; Siregar, G.; Riza, F. V. ANALYSIS OF PROBLEMS AND STRATEGIES FOR IMPROVING THE SOCIO-ECONOMIC AGRICULTURE OF LUBUK KERTANG VILLAGE, LANGKAT REGENCY. J. AGRISEP: Kaj. Mas. Sos. Ek. Pert. n. Agr. 2023, 22, 29-48.