Simangunsong, A. “IMPLEMENTATION OF THE PROMOTHE METHOD IN THE DECISION SUPPORT SYSTEM TO DETERMINE THE LEARNING GUIDE: IMPLEMENTATION OF THE PROMOTHE METHOD IN THE DECISION SUPPORT SYSTEM TO DETERMINE THE LEARNING GUIDE”. Jurnal Mantik, vol. 4, no. 1, May 2020, pp. 642-6, https://iocscience.org/ejournal/index.php/mantik/article/view/830.