Novian, Wira, Rizki Rahmali Fadhillah, and Zetra Hainul Putra. 2025. “Barriers To Effective Science Teaching: Improving Student Achievement In The Cambridge Primary Science Checkpoint”. Impact Journal - Management Business and Finance 2 (1): 178-90. https://impactjournal.or.id/index.php/impact/article/view/30.