Arnas, Yenni, Endang Sugih Arti, and Nawang Kalbuana. “ Analisis Five Forces Porter Dalam Evaluasi Produktivitas Penelitian Dosen Di Perguruan Tinggi Kedinasan”. Journal of Education Research 5, no. 1 (January 20, 2024): 158–169. Accessed August 3, 2025. https://jer.or.id/index.php/jer/article/view/834.