Ardi, Ardi, Syam Syamsurizal, and Arief Muttaqiin. “Clasroom Classroom Based Assessment Development for Improving Science Teacher’s Competency in Secondary School at Koto Tangah District”. Pelita Eksakta 1, no. 1 (March 8, 2018): 10-14. Accessed April 30, 2024. http://pelitaeksakta.ppj.unp.ac.id/index.php/pelitaeksakta/article/view/24.