by Hanafiah, A.M & A.M. Saefuddin $6.00
by Sutarmo Setiadji, V $5.00
by Bambang Agus Murtidjo $6.00
by Ir. Eddy Afrianto & Ir. Evi Liviawaty $6.00
by Kusumoputro, Sidiarto dkk $9.00
by Murad Lesmana, Jeanette $7.00