[1]
2025. Students’ Errors in Solving Word Problems Involving Angles of Elevation and Depression and Performance Level in Grade 9 Trigonometry: Basis for Development of a Teacher-Made Material. International Journal of Latest Technology in Engineering Management & Applied Science. 14, 3 (Apr. 2025), 216–235. DOI:https://doi.org/10.51583/IJLTEMAS.2025.140300026.