Virgianti SH astuti, Nurwahyuni N, Afadil A, Mustapa K. IDENTIFICATION OF CONCEPT UNDERSTANDING AND SELF EFFICACY ATOMIC STRUCTURE AND PERIODIC SYSTEM OF ELEMENTS. J. IPI [Internet]. 2022 May 24 [cited 2025 Apr. 19];10(2):81-9. Available from: https://mail.ejournal.uncen.ac.id/index.php/JIPI/article/view/2193