by Sardiman AM $9.00
by - $13.00
by Sanusi, Bachrawi $6.00
by J.G. Chusid $6.00
by Drs. Abdullah Ali, Drs. Misbandono, dan Ir. Eny Rahma $7.00
by Yuswar Zainul Basri & Mulyadi S $9.00
