Belia, Y., Taufan, J. and Fitra, R. R. (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), pp. 231-237. doi: 10.33487/edumaspul.v8i1.7574.