Tumewu, Pemmy, Carolus P. Paruntu, and Tommy D. Sondakh. “HASIL UBI KAYU (Mannihot Esculenta Crantz.) TERHADAP PERBEDAAN JENIS PUPUK”. JURNAL LPPM BIDANG SAINS DAN TEKNOLOGI 2, no. 2 (January 26, 2016): 16–27. Accessed November 22, 2024. https://ejournal.unsrat.ac.id/v3/index.php/lppmsains/article/view/10687.