IMPLEMENTASI SUPERVISI MANAJERIAL PIMPINAN MENINGKATKAN KUALITAS GURU DI PESANTREN MODERN TA’DIB AL-SYAKIRIN MEDAN. Waraqat [Internet]. 2020 Sep. 29 [cited 2026 Aug. 8];4(1):17. Available from: http://waraqat.assunnah.ac.id/index.php/WRQ/article/view/74