Mohd Akmal Shafiq Buang. “Effect of Bokashi Leachate Application on Maize (Zea Mays L.) Crops”. Politeknik & Kolej Komuniti Journal of Social Sciences and Humanities, vol. 4, no. 1, Nov. 2019, pp. 105-11, https://app.mypolycc.edu.my/journal/index.php/PMJSSH/article/view/185.