Maisardi M. Development Learning Device Model of Environmental Education in the Character of Environmental Care at Senior High School in Solok Selatan Regency. Sjdgge [Internet]. 2017 Dec. 19 [cited 2026 Nov. 6];1(2):269-7. Available from: http://sjdgge.ppj.unp.ac.id/index.php/Sjdgge/article/view/52