by Ir. H. Rahmat Rukmana - Hj. Yuyun Yuniarsih, BSc. $5.00
by Koko Hidayat $6.00
by Aziz Alimul $9.00
by Harahap, Rustam Effendi $6.00
by Ir. Supraptono Djajadirana $9.00
by Dra. V. Nuraini Widjajanti, Apt $6.00
by Notosusanto. Nugroho $6.00