Zulfansyah, Ichpan, Siska Yulianita, Fuad Balatif, and Faisal Azhari Baldan Panjaitan. “Utilization of Casgot and Eco Enzyme Fertilizer As Nutrient Support to Increase the Growth of White Cooperate (Brassica Pekinensis L) of the Tahono Variety in Karo District”. International Journal of Natural Science Studies and Development (IJOSS) 1, no. 1 (August 11, 2024): 19–25. Accessed September 19, 2024. https://ipi-limited.com/index.php/ijoss/article/view/7.