by Drs. H. Hamdan Aini
$9.00

by Prof. Drs. H.A.W. Widjaja
$6.00

by Bob Messing
$7.00

by Glenn A. Welsch, dkk
$22.00

by Ir. H. Nazarukhan Yasin
$18.00

by Dr. Hj. Zaitunah Subhan
$7.00