TY JOUR TI The Variability of the Educational Needs of college Teachers as a Condition for Their Professional and Personal Development KW college teachers KW secondary vocational education system KW additional vocational education KW professional and personal development JO Scientific Research and Development. Socio-Humanitarian Research and Technology AU Uzunova, G.P. AU Kamenskiy, A.M. PY 2021 IS 10 PB INFRA-M Academic Publishing LLC.