by Anwar, Moh. Arsjad, dkk $6.00
by Ir. Eddy Afrianto & Ir. Evi Liviawaty $6.00
by Loyniwati Kho $6.00
by Drs. H. Abu Ahmadi $11.00
by Bambang Agus Murtidjo $5.00
by $4.00
by H.A. Aziz Salim Basyarahil $5.00
by Kitty $7.00
by Hilman Hariwijaya $6.00
by Azimah Soebagijo $8.00
by Mehdi Yazdi $11.00
by Masanobu Fukuoka $17.00