Suwarto, Sudirman Yahya, Handoko, and ChozinMuhammad Ahmad. “Kompetisi Tanaman Jagung Dan Ubikayu Dalam Sistem Tumpang Sari”. Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) 33, no. 2 (1). Accessed May 2, 2024. https://jurnal.ipb.ac.id/index.php/jurnalagronomi/article/view/1514.