Kurniawan, Dony, 		Dotrimensi, Dotrimensi, AND 		Cahyaningrum, Dwi.
" Development of Posters as Media to Prevent Bullying Behavior at SMP N 4 Palangka Raya" <em>Jurnal Lingua Idea</em> [Online], Volume 15 Number 2 (31 December 2024)