Khairah Ukhtiyani, Sugiharsono. THE IMPLEMENTATION OF EVERYONE IS A TEACHER HERE STRATEGY IN IMPROVING STUDENTS’ LEARNING OUTCOME IN ECONOMICS AT TENTH GRADE STUDENTS OF SMAN 1 INDRALAYA. JPDD [Internet]. 2019Nov.26 [cited 2026Aug.12];9(02):49-2. Available from: https://ojs.pendidikandd.org/index.php/JPD/article/view/175