Irdiyansyah, Iyan, Burhanuddin Tola, and Awaluddin Tjalla. 2020. “A CONSTRUCTING ATTITUDE MEASUREMENT TOWARD ENVIRONMENTAL LITERACY: VALIDITY TESTING: VALIDITY TESTING”. IJER - INDONESIAN JOURNAL OF EDUCATIONAL REVIEW 7 (1):59-64. https://journal.unj.ac.id/unj/index.php/ijer/article/view/17931.