Abdullah, Anuar B., Nurul Afza Karim, Md. Akhir Hamid, Shahmihaizan Mat Jusoh, Mohd Fazly Mail, Khairul Idzwan Ayub, Norahshekin Abdul Rahman, and Zawayi Mat. “3 In 1 Disc Ridger: Development of An Improved Implement For Sweet Potato Plant-Bed Making, Fertilizing and Mechanical Weeding”. Advances in Agricultural and Food Research Journal 2, no. 2 (December 29, 2020). Accessed November 14, 2024. https://hh-publisher.com/ojs321/index.php/AAFRJ/article/view/228.