Balila, Edwin, Ivonne Panjaitan, and Dina Galang. 2019. “Mediation and Moderated Mediation in Relationships among Environmental Factors, Health-Related Knowledge, Attitudes, Practices, and Gender”. Human Behavior, Development and Society 17 (May):104-14. https://so01.tci-thaijo.org/index.php/hbds/article/view/189058.