Sarman IW. Development of Lesson Plan Study Instrument and Academic Supervision Based on 21st Century Skill Teachers of SPMI Assisted Schools in Palangka Raya City. JIKT [Internet]. 2020Jun.30 [cited 2024Apr.20];11(1):216-34. Available from: https://chem-upr.education/ojs/index.php/JIKT/article/view/89