Mulyono, Tri, Suminto Sayuti, and Rustono Rustono. “Formal Aesthetics of Poems for Indonesian Children Written by Adult Poets”. The Journal of Educational Development 6, no. 2 (March 13, 2018): 188-208. Accessed November 25, 2024. https://journal.unnes.ac.id/sju/jed/article/view/22140.