Ismail, Mohd Erfy, Masran S.H, Rahim M.B, Faizal A.N, and Marian M.F. 2017. “Development of Electrical Discharge Machine Die Sinking Application Using Android Platform”. Jurnal Pendidikan Teknologi Dan Kejuruan 23 (4):339-45. https://doi.org/10.21831/jptk.v23i4.12825.