Ivy, Casupanan, and Casupanan Rodolfo. “THE USE OF SAND PAPER LETTERS IN TEACHING THE ENGLISH ALPHABET”. PUPIL: International Journal of Teaching, Education and Learning 2, no. 3 (November 15, 2018): 55–62. Accessed April 29, 2024. https://grdspublishing.org/index.php/PUPIL/article/view/1405.