Sagge RJ, Reyes LPD. Development of Flexible Learning Instruction Through Progressive, Personalized, Engaging and Diversified (FLIPPED) Video Media in Mathematics. Int. J. Multidiscip. Appl. Bus. Edu. Res. [Internet]. 2024 Dec. 26 [cited 2026 Apr. 13];5(12):5318-27. Available from: https://www.ijmaberjournal.org/index.php/ijmaber/article/view/1918