Krisnawardhani , K.K. and Noviekayati , I. 2021. Positive Reinforcement Techniques as a Media to Improve Social Interaction Capabilities in Adolescent with Hebefrenic Schizophrenia. Proceedings of The ICECRS. 8, (Jan. 2021). DOI:https://doi.org/10.21070/icecrs2020584.