PROBLEMATIKA PEMANFAATAN BUKU PENDIDIKAN AGAMA ISLAM PADA SEKOLAH DASAR DI KABUPATEN MAMUJU: PROBLEMS IN THE USE OF ISLAMIC EDUCATION BOOKS IN ISLAMIC PRIMARY SCHOOL IN MAMUJU. (2017). Penamas, 28(2), 259-276. https://penamas.kemenag.go.id/penamas/article/view/94