Neoningratheof LF, Melani BZ, Elmiana DS. Implementation of The “Spy On” Program for English Use in Daily Communication Among Students  at Al-Muwahhidin Islamic Boarding School. JAR [Internet]. 2026 Apr. 6 [cited 2026 Sep. 30];5(1):1394-405. Available from: https://journal-center.litpam.com/index.php/jar/article/view/4763