Գ.Հ. Գիլոյան, Ա.Հ. Գրիգորյան, Ն.Ա. Կասումյան. “Age-Related Characteristics of Milk Productivity in the Second Generation Bred from the Daughters of Imported Purebred Holstein Heifers”. AgriScience and Technology, vol. 2, no. 66, Aug. 2023, https://journal.anau.am/index.php/anau/article/view/148.