“KEBIJAKAN IMPLEMENTASI AKREDITASI DALAM PENINGKATAN MUTU PENDIDIKAN DI MTs IBAD AR RAHMAN ISLAMIC BOARDING SCHOOL CIMANUK PANDEGLANG: Accreditation Implementation Policy in Improving the Quality of Education at Mts Ibad Ar Rahman Islamic Boarding School Cimanuk Pandeglang” (2021) Abacus: Academic Journal of Mathematics Learning and Education, 2(01), pp. 1–20. doi:10.59605/abacus.v2i01.157.