No Inv.: 4155/P/Perp/95/1c
No Inv.: 616-617/BD/Perp/87/2c
Judul asli : "Developing Attitude Toward Learning"
No Inv.: 522/Perp/82/1c
Judul asli : "Motivation and Personality"
No Inv.: 3947-3964/S/Perp/90/18c
No Inv.: 126897-126901/P/Perp/10/5c~134663/SM/Perp/13/1c