Gunawan Nasution PM, Simatupang W, Syafaruddin, Syukri M. Basic Concepts Of Education Policy And Innovation In Mtsn-2 Tapanuli Tengah. Mantik [Internet]. 2022Jul.13 [cited 2026Jun.2];6(2):1664-71. Available from: https://iocscience.org/ejournal/index.php/mantik/article/view/2591