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		No cover image available Notions de psychométrie / Joseph Leif, Jean Delay, Jean-Jacques Guillarmé. by Leif, Joseph Jacques Guillarmé, Jean-Jacques [coaut.] Delay, Jean, 1907- [coaut.] Material type: Text; Format: print ; Literary form: Not fiction Publication details: París : F. Nathan, 1968 Availability: Items available for loan: Bib. Gregorio Torres Quintero (1)Collection, call number: Colección General BF39 L4.5. Place hold
		No cover image available Psicología y educación del adolescente / Joseph Leif, Jean Delay ; tr. Iris Acacia Ibáñez. by Leif, Joseph Jacques Delay, Jean, 1907-1987 [coaut.] Series: Biblioteca de cultura pedagógica ; 113-114 Material type: Text; Format: print ; Literary form: Not fiction Publication details: Buenos Aires : Kapelusz, 1971 Availability: Items available for loan: Bib. Gregorio Torres Quintero (3)Collection, call number: Colección General BF724 L4.68, ... Not available: Bib. Gregorio Torres Quintero: Checked out (1). Place hold
		No cover image available Psicología y educación del niño / Joseph Leif, Jean Delay ; tr. Iris Acacia Ibáñez. by Leif, Joseph Jacques Delay, Jean, 1907- [coaut.] Series: Biblioteca de cultura pedagógica ; 100, 101 Material type: Text; Format: print ; Literary form: Not fiction Publication details: Buenos Aires : Kapelusz, 1968 Availability: Items available for loan: Bib. Gregorio Torres Quintero (13)Collection, call number: Colección General LB1051 L4.78, ... Place hold
		No cover image available Psychologie et éducation / Joseph Leif, Jean Delay by Leif, Joseph Jacques Delay, Jean, 1907- [coaut.] Material type: Text; Format: print ; Literary form: Not fiction Publication details: París : F. Nathan, c1965 Availability: Items available for loan: Bib. Gregorio Torres Quintero (3)Collection, call number: Colección General LB1051 L4.7, ... Place hold