O. Shelimanova, O. Kremnev, A. Lyashenko, V. Mikhalevich, and M. Kohanenko, “Investigation of the properties of natural chicken manure and compositions on its basis at the production of dry formated biofertilizers”, EIA, no. 2, pp. 129–138, Jul. 2018, doi: 10.31548/energiya2018.02.129.