by Fachrudin A. $10.00
by Scott Pearson, Carl Gotsch, Sjaiful Bahri $15.00
by Bachtiar Namp $6.00
by Victor M. Fic $20.00
by Parakitri T. Simbolon $26.00
by Hembing Wijayakusuma $13.00
by Ir. H. Rahmat Rukmana $6.00
by Agus Pambagio $3.84