Introduction to psychology - Bustos, Alicia S.,. 4 0 16; Malolos, Natividad I.,;Ramirez, Angelina E.,;Ramos, Exaltacion C.; 5 (Quezon City :;Quezon City : Katha Publishing Co., Inc,;Katha Publishing Co, Inc, 1985)
Keywords: 2 -- 0; 6; 20; 20; 2