Educational psychology
Kelly, William A
Educational psychology - 4.ed. revised - Milwaukee : The Bruce publishing Co., 1956 - xxiii, 574p.; 22 cm.
Psicología pedagógica
37.015.3
Educational psychology - 4.ed. revised - Milwaukee : The Bruce publishing Co., 1956 - xxiii, 574p.; 22 cm.
Psicología pedagógica
37.015.3