Sumolang, Constantyn I. J., David A. Kaligis, and Charles L. Kaunang. “RESPONS RUMPUT Brachiaria Humidicola Cv. Tully Dan Pennisetum Purpureum Cv. Mott TERHADAP PEMUPUKAN UNSUR HARA MAKRO N, P, K”. JURNAL LPPM BIDANG SAINS DAN TEKNOLOGI 3, no. 1 (March 2, 2017): 44–50. Accessed November 22, 2024. https://ejournal.unsrat.ac.id/v3/index.php/lppmsains/article/view/15206.