by Leden Marpaung, S.H. $12.00
by Bambang Waluyo, S.H. $9.00
by Prof. Dr. Mr. Gregor van der Burght, Penerjemah: Drs. F. Tengker, S.H., C.N. $7.00
by Ir. H. Rahmat Rukmana - Hj. Yuyun Yuniarsih, BSc. $5.00
by - $11.00
by - $9.00