Islam, M., Akhter, T., & Matsumoto, M. (2013). Asterosap, an Egg Jelly Peptide, Elevate Intracellular Ca²⁺ and Activate the Motility of Spermatozoa. Progressive Agriculture, 19(1), 79–88. https://doi.org/10.3329/pa.v19i1.17358