Fahrurrozi, F., Muktamar, Z., Chozin, M., Setyowati, N., and Sudjatmiko, S. 2018. “Relationships between potassium uptakes and yield performances of sweet corn grown under organic production system”. International Journal of Agricultural Technology 14 (7):1171-80. https://li04.tci-thaijo.org/index.php/IJAT/article/view/8483.