by S. Soegijanto $11.00
by Thabrani, Rinaldi $12.00
by Bole Malo, Agustinus $5.00
by WK $11.00
by Ir. H. Rahmat Rukmana - Hj. Yuyun Yuniarsih, BSc. $5.00
by WK $12.00
by $13.00
by Kansil C.S.T $11.00
by Anwar, Rosihan H. $6.00
by Drs. Firman B. Aji dan Drs. Martin Sirait $9.00
by Mira W. $9.00