TY  - RPRT
TI  - Vocational development theory before 1400.
AU  - D B Hershenson
PY  - 1974
DO  - 10.1002/1520-6696(197404)10:2<170::aid-jhbs2300100205>3.0.co;2-0
UR  - https://pubmed.ncbi.nlm.nih.gov/11609283/
ID  - 11609283
ER  -