by Drs. Rudy T. Erwin, S.H $11.00
by Swasono, Sri-Edi, & Masri Singarimbun (Ed) $7.00
by M. Yahya Harahap, S. H. $9.00
by - $13.00
by Victor Situmorang, S.H $7.00
by Umar Sulaiman Al-Asyqar $5.00