Hasibuan, H.S., Wisnubroto, M.P. dan Rezki, D. 2024. IDENTIFY THE EFFECT OF ALTITUDE ON THE MORPHOLOGY OF SUGAR PALM PLANTS. Jurnal Ilmu-Ilmu Pertanian Indonesia. 26, 2 (Des 2024), 153–162. DOI:https://doi.org/10.31186/jipi.26.2.153-162.