Buica, Georgeta, Anca Elena Antonov, Constantin Beiu, Dobra Remus, Dragos Pasculescu, and M. Ayaz Ahmad. 2019. “Some Features of Non-Safety Costs in Maintenance of Work Equipments: Maintenance of Work Equipment’s”. International Journal of Science and Engineering Invention 5 (04):39 to 43. https://doi.org/10.23958/ijsei/vol05-i02/135.