by Prof. J. Suprapto, M.A. APU
$11.00

by T. Mulya Lubis, Richard M. Buxbaum
$30.00

by Frans M. Royan
$7.00

by RUA Zainal Fanani
$7.00

by Radiks Purba
$13.00

by Prof. Dr. dr. Sarwono Waspadji, Kartini Sukardji
$7.00