• Jayasinghe, R.M.N.P.K., 2019. Gem Resources of Sri Lanka, “Vidurawa” Journal of National Science Foundation (in Sinhala, Tamil, and English)

 

  • Jayasinghe, N., 2022. Introducing Color and Clarity Enhancement for Semi-Precious Gem Minerals in Sri Lanka. Newsletter of Institute of Geology Sri Lanka, 03, pp 08-10.