Deta UA. Introduction, Author Guidlines, and Table of Contents JPFA Volume 11 Nomor 1 Juni 2021. J. Penelit. Fis. Apl. [Internet]. 2021Oct.10 [cited 2024May3];11(1):ii-vi. Available from: https://journal.unesa.ac.id/index.php/jpfa/article/view/14820