Ridwan. “‘Gratis Schooling’ Evaluation at Thesenior High Schools/Vocational Schools in Bandar Lampung City”. Inovasi Pembangunan : Jurnal Kelitbangan 5, no. 02 (August 1, 2017): 98-111. Accessed April 24, 2025. https://jurnal.balitbangda.lampungprov.go.id/index.php/jip/article/view/38.