00477ntaaa2200169   45000030003000000050017000030080021000200400037000410820017000781000023000952450054001182500010001722600044001823000009002265000055002356500017002900120251027202622.00714s1973  ag    01   aAR-BaBNbspacAR-BaBNeaacrdRIC  a370.7200 B38  aBeckhard, Richard   aHow to plan and conduct workshops and conferences  a1 ed.  aNew York : bAssociation Press, cc1956  a64 p  aComo planear y dirigir conferencias para líderes  aconferencias