Camuyong CSF. Development, Validation and Effectiveness of Instructor- made Learning Course Material (LCM). Int. J. Multidiscip. Appl. Bus. Edu. Res. [Internet]. 2023 Feb. 17 [cited 2026 Mar. 27];4(2):439-45. Available from: https://ijmaberjournal.org/index.php/ijmaber/article/view/751