Strategic Plan for the Five-Year Non-Tuition Fee Revenue Program at Politeknik Elektronika Negeri Surabaya (PENS. JISIP [Internet]. 2026 Jul. 1 [cited 2026 Sep. 19];10(3):1550-6. Available from: https://ejournal.mandalanursa.org/index.php/JISIP/article/view/10523