00623nam a2200205Ia 4500001000700000003000500007005001700012008004100029020001500070035002000085040001300105100002800118245005400146260005200200300001900252504004100271650003600312650004600348651002300394130216BIBL20180810021830.0830628s1973 pr b 001 0 spa d a843990536X a(OCoLC)09653120 aIQUcIQU1 aLoubriel, Oscar.2Local10aSupervisiónbacción de grupocOscar Loubriel. aSan Juan, Puerto RicobEdiciones Miradorc1973. a421 p.c23 cm. aIncludes bibliographies and indexes. 0aSupervision of employees2Local 0aSchool management and organization2Local 0aPuerto Rico2Local