KERAGAAN EKSISTING TANAMAN AREN (Arenga pinnata Merr) DI SUMATERA UTARA (Peluang dan Potensi Pengembangannya). Petrop [Internet]. 2019 Nov. 28 [cited 2026 Feb. 5];3(2):133-8. Available from: https://idjpcr.usu.ac.id/jpt/article/view/2967