Razak, Muhammad Naim, and Ziana Che Ros. “Electrical Conductivity in Soil”. Multidisciplinary Applied Research and Innovation 3, no. 1 (February 23, 2022): 517–522. Accessed July 18, 2024. https://penerbit.uthm.edu.my/periodicals/index.php/mari/article/view/3583.