Diola, Renniza. “Development and Validation of Laboratory Manual in Life Science for Grade 11 Senior High School: An Input to Instructional Material Development”. Journal of Elementary and Secondary School 1, no. 1 (March 31, 2023): 42–55. Accessed December 22, 2024. https://journals.researchsynergypress.com/index.php/jess/article/view/1467.