by Ir. H. Nazarukhan Yasin $18.00
by Sumitro Djojohadikusumah $31.00
by $13.00
by Prof. Dr. Sirajuddin Zar $9.00
by Rai Wijaya $7.00
by Norman Long $11.00
by Burhanuddin $0.00
by Untung Sukardji $12.00
by Rahardjo, M. Dawan $7.00
by H. Rahmat Rukmana $6.00
by Michael Marsch $6.00
by Arini Suryokusumo $6.00