Nurmalina N, Suhartono S. The Effect Of Sustainable Professional Development On The Competence And Performance Of Elementary School Teachers In Learning Innovation. j. pendidik. Terbuka Dan Jarak Jauh [Internet]. 2021 Dec. 21 [cited 2024 Nov. 22];22(2):64-73. Available from: https://jurnal.ut.ac.id/index.php/jptjj/article/view/3227