Isniwati, Wahdini E, Saleh M. Supervision and Participation in Teachers Working Group Toward the Teach-ers’ Professional Competence . JK6EM [Internet]. 2020Jun.23 [cited 2026Sep.16];2(4):292-00. Available from: http://www.j-k6em.org/index.php/jkemorg/article/view/363