by H. Rahmat Rukmana $5.00
by Prof. Djafaruddin $7.00
by Dr. Ir. Adji Sastrosupadi, MS $11.00
by Ir. H. Rahmat Rukmana $6.00
by Sutarni M. Soerjowinoto $6.00
by Wassil, K.H. Jan Ahmad $9.00
by Yulia Qamariyanti, S.H., M.Hum. $3.00
by Artono A $7.00
by Ir. Bambang Cahyono $7.00
by $9.00
by - $9.00
by Edi S. Ekadjati $8.00