De Vera, I. A., and W. T. . Fajardo. “Gender Roles by the Sambal-Bolinao in Their Traditional Herbal Healing in Bolinao, Pangasinan, Northern Philippines”. European Journal of Medicine and Natural Sciences, vol. 5, no. 2, May 2018, pp. 1-10, doi:10.26417/172nzj17r.