Islam, Farukul, et al. “Effect of Genetic and Non-Genetic Factors on Milk Production Performance of Holstein-Friesian×Local Crossbreds at the Villages of Noakhali District in Bangladesh”. Research in Agriculture Livestock and Fisheries, vol. 4, no. 1, Apr. 2017, pp. 21-28, doi:10.3329/ralf.v4i1.32402.