Diana Y. STUDENT’S GRAMMAR MASTER OF SIMPLE PRESENT TENSE BY USING EGRA EXPOSURE, GENERALIZATION, REINFORCEMENT, AND APPLICATION METHOD AT SENIOR HIGHT SCHOOL MUHAMMADIYAH JAYAPURA. INJOE [Internet]. 2023 Mar. 18 [cited 2025 Feb. 5];3(1):114-21. Available from: https://injoe.org/index.php/INJOE/article/view/52