Maris Jade Q, Orongan, and Manuel B. 2019. “Socio-Demographic Attributes and Aptitude on Grade 9 Students of Central Mindanao University Laboratory High School as Determinants of Chemistry Performance: A Causal Model”. Journal of Innovation and Learning Sciences 13 (1):105-17. https://so02.tci-thaijo.org/index.php/EDGKKUJ/article/view/181153.