Yuli Lestari, W., H. Koosbandiah Surtukanti, and T. Rahman. “SCIENCE TEACHERS PROFESSIONALISM IN PLANNING PRACTICAL LEARNING ACTIVITIES”. Jurnal Ekonomi, vol. 12, no. 02, May 2023, pp. 1392-0, https://ejournal.seaninstitute.or.id/index.php/Ekonomi/article/view/1553.