Pengaruh Pendekatan Problem-Driven Iterative Adaptation (PDIA) dan Kepemimpinan Kepala Jurusan terhadap Budaya Disiplin Siswa SMK. njpi [Internet]. 2026 Jan. 31 [cited 2026 Sep. 5];6(1):98-111. Available from: https://journal.rumahindonesia.org/index.php/njpi/article/view/2115