@misc{managing+the+process+of+adjusting+the+competences+of+employees+aged+forty+or+over+to+the+requirements+of+industry+4+0,
    author = {Zembski, Sławomir i Ulewicz, Robert},
    title = {Managing the process of adjusting the competences of employees aged forty or over to the requirements of industry 4.0},
    journal = {Technical Transactions},
    address = {Warsaw},
    publisher = {Sciendo},
    date = {2022},
    number = {Vol. 119, iss. 1 }
}