Sutrisno, S., R. Soenoko, Y. S. Irawan, and T. D. Widodo. “Effect of Coconut Fiber Treatment With Limestone Water Media on the Fiber Surface, Wettability, and Interface Shear Strength”. Eastern-European Journal of Enterprise Technologies, vol. 1, no. 6 (109), Feb. 2021, pp. 48-56, doi:10.15587/1729-4061.2021.217730.