Sevastyanov Б. В., Chernykh Е. А., & Shadrin Р. О. (2013). Prediction Indicative Factors Necessary to Develop the Program on Improvement of Workmen Labor Conditions and Protection in Udmurt Republic. Vestnik IzhGTU Imeni M.T. Kalashnikova, (1), 133–135. Retrieved from https://izdat.istu.ru/index.php/vestnik/article/view/1990