00365nam a2200157Ia 45000010006000000050017000060080041000230410008000640820016000721000030000882450036001182600009001543000028001636500008001916540008001991784520260306171547.0260306s9999||||xx |||||||||||||| ||und|| aESP a658.3bA43J aAlles, Martha AliciaeAUT 0aSocial media y recursos humanos c2012 a315 páginas :c23 cm. aGEN aCAN