Mohd Hilmi, Abu Bakar, et al. “Proliferation and Differentiation of Human Hair Follicle Stem Cells on Chitosan-Skin Engineered Template in Vitro”. International Journal on Advanced Science, Engineering and Information Technology, vol. 7, no. 1, Feb. 2017, pp. 42-48, doi:10.18517/ijaseit.7.1.1011.