ANDIEK WIDODO; YATIM RIYANTO; ERNI ROESMININGSIH. Implementation of Islamic Senior Hight School Academic Quality Assurance (Multi-Site Study at Islamic Senior High School of Surabaya and Islamic Senior High School of 2 Malang). IJORER : International Journal of Recent Educational Research, v. 1, n. 3, p. 233-245, 31 Oct. 2020.