Budi Suhati Lestari, Sowiyah, Dedy Hermanto Karwan. The Principal’s Role as A Supervisor in Improving Teacher Performance at SDIT Baitul Jannah Bandar Lampung Performance . International Journal of Science, Technology & Management [Internet]. 2020Nov.30 [cited 2024Nov.13];1(4):246-51. Available from: https://ijstm.inarah.co.id/index.php/ijstm/article/view/72