MUZAMBIQ, SAID. “IMPLEMENTASI ADIWIYATA DALAM UPAYA MEWUJUDKAN PENDIDIKAN LINGKUNGAN HIDUP DI SD NAHDLATUL ULAMA JALAN PUKAT NO. 1 KOTA MEDAN”. Jurnal Ilmiah Econosains 12, no. 1 (March 31, 2014): 132-142. Accessed July 23, 2024. https://journal.unj.ac.id/unj/index.php/econosains/article/view/580.