by Frank Bettger $11.00
by Bur Rusuanto $12.00
by Bruce Herrick dan Charles P. Kindleberger $12.00
by HF. Abraham Amos $11.00
by Drs. R. Martino $6.00
by Gunawan Widjaja, A. Yani $7.00
by WK $12.00
by Mohammad As Sa'dawi $5.00
by Dorothy Joan Harris $7.00
by Dr. Harry Hamersma $5.00
by Bawoek Sumiyati, dkk $0.00
by Budi Widianarko & Andreas Pandiangan $11.00