Naidenov, Georgi. “Mykhailo Ivanovich Tuhan-Baranovskyi’s Concept of the Need to Introduce the Concept of ‘Cost’ Into Scientific Circulation”. Research Papers, no. 4 (October 4, 2021): 73–104. Accessed July 23, 2026. https://yb.e-dnrs.org/index.php/rp/article/view/5261.