Manongko, Allen A. Ch, Henry J. D Tamboto, and Sjeddie R. Watung. 2020. “Green Consumer Behavior in the Perspective of Green Marketing and Theory of Planned Behavior”. Technium Social Sciences Journal 13 (1). Constanta, Romania:210-22. https://techniumscience.com.techniumscience.pluscommunication.eu/index.php/socialsciences/article/view/1999.