Farezol, N.F. , Kamarul Zaman , M.A. and Azzeme, A.M. 2024. Effect of Auxins on Growth Enhancement of Cell Suspension Culture of Tongkat Ali Hitam (Polyalthia bullata). Malaysian Applied Biology. 53, 5 (Nov. 2024), 49–61. DOI:https://doi.org/10.55230/mabjournal.v53i5.3044.