PROBLEMATIKA PENCAPAIAN AKREDITASI PADA MADRASAH ALIYAH DI PROVINSI KEPULAUAN RIAU: PROBLEM OF ACCREDITATION ACHIEVEMENT OF ISLAMIC SENIOR HIGH SCHOOLS (MADRASAH ALIYAH) IN THE PROVINCE OF RIAU ISLANDS. (2017). Penamas, 28(1), 59-74. https://penamas.kemenag.go.id/penamas/article/view/103