S. E. Margaryan, А.V. Аltunyan, A.G. Mazmanyan, G.H. Danielyan. 2023. “Optimization of the Daily Dose and Fractionality of the Supplied Manure to the Digester”. AgriScience and Technology 1 (77). https://journal.anau.am/index.php/anau/article/view/310.