Berosil, K. E. S.; Gayo, L. A. A.; Taawan, J. J.; Paz, M. D.; Bingcang, A.; Rodriguez, J.; Balila, J. Development of Hand and Body Liquid Soap from Polyalthia Longifolia (Sonn) Thwaites (Mast Tree) Leaf Extracts. isc 2017, 5, 24.