Nadia, Bagas Ardiyantoro and Septian Maulid Wicahyo 2026. Memory Activity Test Of Ethanol Extract Of Oil Palm Leaves (Elaeis Guineensis Jacq.) On White Mice (Mus Musculus) With Radial Arm Maze Method. International Journal of Health Engineering and Technology. 4, 6 (Mar. 2026). DOI:https://doi.org/10.55227/ijhet.v4i6.607.