Amsah, A. , Raja Khalif, R.I.A., Pitchayapipatkul, J. , Rusli, N.D. , Mat, K. and Rahman, M.M. 2020. Effect of extender supplemented with date palm pollen grain on bovine semen qualities. Journal of Tropical Resources and Sustainable Science (JTRSS) . 8, 2 (Dec. 2020), 103–107. DOI:https://doi.org/10.47253/jtrss.v8i2.629.