Agustinus Silalahi, Christine Natalia ,Clinton Putra Martio (2020) “Integration of Data Envelopment Analysis and Goal Programming in Supplier Selection Optimization”, International Journal of Advanced Science and Technology, 29(7s), pp. 3178-3186. Available at: https://sersc.org/journals/index.php/IJAST/article/view/17595 (Accessed: 17September2021).