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jun 16, 1936 - Montreal

Description:

Se da carácter de método profesional al trabajo con grupo en la conferencia Nacional de T.S en Montreal cambia de nombre la asociación nacional para el estudio de T.G a asociación americana de trabajadores de grupo

Added to timeline:

T.S de grupo

ByANGELA MARCELA LIBERATO LÓPEZ
28 May 2018
0
0
1268

Date:

jun 16, 1936
Now
~ 90 years ago

Images:

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