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), 1-20. https://doi.org/10.59605/abacus.v2i01.157