by Patt Roesle Materka $9.00
by Akhmad Fauzi, Ph.D. $12.00
by Prof. Dr. Soegyarto Mangkuatmodjo $13.00
by Ruiter, D. $9.00
by Vincent Gaspersz $9.00
by Uken Junaedi $5.77
by $18.00
by Tim Redaksi Tatanusa $35.00