Nasution, M.W.A., Siregar, L.A.M. and Basyuni, M. 2025. Optimization medium at the propagation and formation stage of micro tubers some varieties of potato. Indonesian Journal of Agricultural Research. 8, 1 (Mar. 2025), 9–16. DOI:https://doi.org/10.32734/injar.v8i1.16798.