by Prof. Abdulkadir Muhammad, S.H. $7.00
by Prof. Dr. Veithzal Rivai $12.00
by Gatot Supramono, S.H $3.00
by Andi Mappiare $16.00
by Prof. Mochtar Kusuma Atmadja $7.00
by Lembaga Kajian Hukum Bisnis FH USU Medan $6.00
by Dra. H. Azimar Enong $6.00
by Dra. Ninik Widiyanti $9.00
by Ir. Heinz Frick $6.00
by Nursalam $9.00
by Dr. Niels Mulder $0.00
by B. U. Hadikusumo $5.00