Blessy Mae L. Lopez, Janella Angelica R. Navarro, Regan L. Regua, Rhodelyn T. Samulde and Mark Angelo C. Reotutar (2024) “Development and Validation of a Triangle Trigonometry E-Module ”, The Asian Journal of Education and Human Development (AJEHD), 5(1). doi: 10.69566/ajehd.v5i1.103.