Fahrurrozi, Sehati Kaban, Ratna Sari Dewi, Reza Rachmadtullah, Prayuningtyas Angger Wardhani , Uswatun Hasanah. “Developing the Instrument of Pre-Writing Skill to the First Grade Students of Elementary School”. International Journal of Advanced Science and Technology 29, no. 06 (April 30, 2020): 1932 - 1940. Accessed May 6, 2024. http://sersc.org/journals/index.php/IJAST/article/view/12898.