Hafidzulloh, Hafidzulloh. “Analisis Pengembangan Profesionalisme Guru SMK”. BALANCE: Economic, Business, Management and Accounting Journal 19, no. 2 (Juli 20, 2022): 138–147. Diakses Oktober 15, 2026. https://journal.um-surabaya.ac.id/balance/article/view/13451.