Abdullah, Dahlan, Tulus ., Saib Suwilo, Syahril Efendi, Hartono ., and Cut Ita Erliana. “A Slack-Based Measures for Improving the Efficiency Performance of Departments in Universitas Malikussaleh”. International Journal of Engineering & Technology 7, no. 2 (April 8, 2018): 491–494. Accessed April 29, 2024. https://www.sciencepubco.com/index.php/ijet/article/view/11253.