Umu Nurlaela E. ASEK BERSAMA BU SIDIG DAN 1 BOS IMPLEMENTASI BLENING KIMIA: Erna Umu Nurlaela. TK [Internet]. 2022 May 13 [cited 2024 Sep. 8];1(1). Available from: https://jurnal.sman1purworejo.sch.id/index.php/tiwikrama/article/view/13