Nosonov, A., N. Letkina, and V. Nosonova. “Geoinformation Modeling of Knowledge Spillovers As an Innovative Development and Agricultural Efficiency Factor”. International Journal of Geoinformatics, vol. 16, no. 4, Dec. 2020, pp. 71-80, https://journals.sfu.ca/ijg/index.php/journal/article/view/1801.