Prabawati, S. Y., A. Mufidati, T. R. Djuwita, and S. N. Ngaini. “Grinding Technique on Synthesis of Calixarene and Its Derivatives”. EKSAKTA: Journal of Sciences and Data Analysis, vol. 20, no. 2, July 2020, pp. 117-23, doi:10.20885/EKSAKTA.vol1.iss2.art4.