Omar, Rosmaria, Nor Aniza Ahmad, Siti Aishah Hassan, and Samsilah Roslan. 2018. “Importance Of Teachers’ Competency Through Students’ Perception In Relationships Between Parental Involvement And Motivation With Students’ Achievement”. Sains Humanika 10 (3-3). https://doi.org/10.11113/sh.v10n3-3.1511.