SYAFII, Muhammad Lukman; MUSKITIKAWATI, Diyah Atiek. DEVELOPING AN EFFECTIVE ENGLISH-USE SYSTEM UNDER THE BIWEEKLY LANGUAGE POLICY IN ISLAMIC BOARDING SCHOOLS. International Journal of Community Service in Language, Literature, Culture, and Their Teaching, [S.l.], v. 2, n. 2, p. 66-76, jan. 2026. ISSN 3089-4980. Available at: <https://unars.ac.id/ojs/index.php/SEVA/article/view/7783>. Date accessed: 09 feb. 2026. doi: https://doi.org/10.36841/seva.v2i2.7783.