Gultom, Sandry, Sofyan Zaman, and Heni Purnamawati. “Periode Kritis Pertumbuhan Kedelai Hitam (Glycine Max (L.) Merr) Dalam Berkompetisi Dengan Gulma”. Buletin Agrohorti 5, no. 1 (January 24, 2017): 45-54. Accessed May 4, 2024. https://journal.ipb.ac.id/index.php/bulagron/article/view/15891.