VAHONOVA, A. H.; JEROKHONDYNA, T. A.; SHASHENKO, O. O. AN ECONOMIC-AND-MATHEMATICAL MODEL OF OPENING PARAMETERS OF PREPARATION WORKS. Science and Transport Progress , [S. l.], n. 32, p. 21–25, 2010. DOI: 10.15802/stp2010/13137. Disponível em: https://stp.ust.edu.ua/article/view/13137. Acesso em: 11 dec. 2024.