Purwanto A. Webinar Pemodelan Regresi Multilevel Dalam Kajian Hasil Belajar Matematika Terhadap Masalah yang Dihadapi Santri Muhammadiyah Boarding School Pleret Bantul . abdimas [Internet]. 2022Jul.29 [cited 2025Sep.9];6(3):481-8. Available from: https://ebook.umpwr.ac.id/abdimas/article/view/1694