Aziz FA, Adi AS. IMPLEMENTASI PROGRAM SURABAYA ECO SCHOOL DI SMPN 40 KOTA SURABAYA. KMKn [Internet]. 2021 Jun. 30 [cited 2025 Aug. 20];9(2):359-73. Available from: https://ejournal.unesa.ac.id/index.php/jurnal-pendidikan-kewarganegaraa/article/view/39659