SITORUS APP. UPAYA PENINGKATAN KINERJA TUGAS POKOK GURU MELALUI PERAN SUPERVISI AKADEMIK KEPALA SEKOLAH DI SMAN 9 KOTA JAMBI . ACADEMIA [Internet]. 2023Apr.8 [cited 2025Jan.8];3(1):23-8. Available from: https://mail.jurnalp4i.com/index.php/academia/article/view/2082