by Drs. Zifirdaus Adnan & Dra. I. Zifirdaus $9.00
by Sugiarto, Herry Siswanto, Lauw Tjhing Houw $9.00
by Jack Canfield, dkk $11.00
by Milton Chen, Ph.D. $9.00
by M.H. Wancik $9.00
by Leigh Michaels $7.00
by Yuyun Alamsyah $11.00