Oka, D. N., Sumampouw, H. M., & Adi, N. N. S. (2023). The experiment of stem cutting planting position in increasing sweet potato (Ipomea batatas L.) production in horticulture learning. International Journal of Life Sciences and Earth Sciences, 6(1), 56-64. https://doi.org/10.21744/ijle.v6n1.2128