Purba, Violita, and Sariana Marbun. 2023. “The Role of Teachers in Developing the Morals of Children Aged 5-6 Years in Private Kindergarten Petro T.A 2022/2023”. Indonesian Journal of Advanced Research 2 (8):1117-26. https://doi.org/10.55927/ijar.v2i8.5399.