Wardani, V. C., S. P. Madyawati, and P. Hastutiek. “Profile of Crude Protein Tyrosine Kinase on Plasma Membrane of Merino Sheep Spermatozoa Using the Method of SDS-Page (Sodium Dodecyl Sulphate-Polyacrilamide Gel Electrophoresis)”. KnE Life Sciences, Vol. 3, no. 6, Dec. 2017, pp. 197-04, doi:10.18502/kls.v3i6.1128.