TY - BOOK ID - 134363676 TI - Programming analysis of the postal service : A study in public enterprise economics PY - 1968 PB - Louvain : Librairie universitaire, DB - UniCat KW - Postal service KW - Mathematical models KW - Mathematical models. UR - https://www.unicat.be/uniCat?func=search&query=sysid:134363676 AB - ER -