Ahmad, M. M., N. Ibrahim, A. Sahekhaini, Z. R. Mohd Sahak@Ishak, N. H. Jamil, and M. Z. Mohd Ibrahim. “Development of 3 in 1 Chocolate Filling Machine With Variable Volume Using Semi or Full Automatic Process”. Politeknik & Kolej Komuniti Journal of Engineering and Technology, vol. 4, no. Special Issue, Jan. 2019, pp. 65-73, https://app.mypolycc.edu.my/journal/index.php/PMJET/article/view/496.