by Sofyan Syafri Harahap $7.00
by - $13.00
by Eileen Rachman (Kata Pengantar) $7.00
by Rai Wijaya $9.00
by R. S. Stainton $7.00
by Anshori Djausal & Khaidir $6.00
by Muhlis Suhaeri $6.00
by Ir. H. Rahmat Rukmana $5.00
by M.A. Hendirsen $6.00
by Dr. Achmad S. Ruky $11.00
by Masinambow $6.00
by Jamrin Abubakar $15.00