Belia, Yodinasya, Johandri Taufan, and Ringgi Rahmat Fitra. 2024. “Reducing the Negative Behavior of Children With Oppositional Defiant Disorder by Providing Reinforcement Techniques at SLBN 1 Ampek Angkek”. Edumaspul: Jurnal Pendidikan 8 (1), 231-37. https://doi.org/10.33487/edumaspul.v8i1.7574.