Kemala, P., K. Khairan, M. Ramli, G. Mauer Idroes, E. Mirda, D. Setya Ningsih, T. E. Tallei, and R. Idroes. “Characterizing the Size Distribution of Silver Nanoparticles Biofabricated Using Calotropis Gigantea from Geothermal Zone”. Heca Journal of Applied Sciences, vol. 1, no. 2, July 2023, pp. 30-36, doi:10.60084/hjas.v1i2.21.