Munakata, N., Cornain, S., Mulyadi, K., Ichihashi, M., Prihartono, J., Ohno, Y., … Mukhtar, A. (2000). Biologically effective doses of ambient solar-UV radiation in Indonesia and Japan. Medical Journal of Indonesia, 9(2), 123–8. https://doi.org/10.13181/mji.v9i2.665