Kurniawati A, Sukardiyono S. The Development of Authentic Assessment Instrument to Measure Science Process Skill and Achievement based on Students’ Performance. jpppf [Internet]. 2018 Dec. 31 [cited 2024 Dec. 22];4(2):65-74. Available from: https://journal.unj.ac.id/unj/index.php/jpppf/article/view/4012