1. Chmyrova, L. Iu., & Fediai, N. O. (2013). Raionuvannia terytorii Ukrainy yak odyn z faktoriv prostorovoho sotsialno-ekonomichnoho rozvytku rehioniv [Regionalization of the territory of Ukraine as one of the factors of spatial socio-economic development of regions]. Efektyvna Ekonomika – Efficient Economy, (3). Retrieved from http://www.economy.nayka.com.ua/?op=1&z=1878 [in Ukrainian].
2. Demuz, I. & Borodai, I. (2022). Agricultural biographics v. Agricultural biographistics: Concepts, resources of information, and reflexive potential. Acta Baltica Historiae et Philosophiae Scientiarum, 10(1), 61–77. https://doi.org/10.11590/abhps.2022.1.04
3. Dokuchaev, V. V. (1879). Kartografiya russkih pochv: ob"yasnitel'nyj tekst k pochvennoj karte Evropejskoj Rossii, izdannoj Departamentom zemledeliya i sel'skoj promyshlennosti [Cartography of Russian soils: explanatory text to the soil map of European Russia, published by the Department of Agriculture and Rural Industry]. St. Petersburg: Kirshbaum Printing House. Retrieved from http://e-heritage.ru/Book/10078957 [in Russian].
4. Dokuchaev, V. V. (1892). Nashi stepi prezhde i teper'. Izdanie v pol'zu postradavshih ot neurozhaya [Our steppes before and now. Publication in favor of victims of crop failure]. St. Petersburg: Printing house E. Evdokimov
5. Domrachov, D. (1927). Silskohospodarska doslidna sprava na Ukraini. Osnovy yii buduvannia, prohrama y naslidky yii roboty [Sil'skogospodarska is the last one on the right in Ukraine. Fundamentals of future work, programs and successions.] Visnyk Silskohospodarskoi Nauky – Bulletin of Agricultural Science, (2–3), 132–149 [in Ukrainian].