Jamilah, Wardatun, and Wasminingsih. “Finding Letter Game to Improve Early Literacy Skills in 4-5 Year Old Children at Yasmin Preschool, Jember”. Journal of Indonesian Primary School 2, no. 3 (September 8, 2025): 21–30. Accessed October 16, 2025. https://journal.mgedukasia.or.id/index.php/jips/article/view/767.