by Ir. Hieronymus Budi Santoso $5.00
by ISEI $18.00
by Paul J. Wharton $4.00
by H. Rahmat Rukmana $5.00
by V. Indra Sanjaya, Pr. $6.00
by $7.00
by Drs. C. I. Bc. Harsono Hs IP $5.00
by $6.00
by Sujoko, Siti Mariyam $5.00
by - $18.00
by Jack Canfield & Mark Victor Hansen $11.00
by Laura Wrights $7.00