TY - BOOK ID - 137877701 TI - Supervision in action : the art of managing others PY - 1979 SN - 083597152X PB - Reston Reston publishing company DB - UniCat KW - Supervision of employees UR - https://www.unicat.be/uniCat?func=search&query=sysid:137877701 AB - ER -