by Salim H.S., S.H., M.S. $9.00
by Edited by Hadi Soesastro $6.00
by Sitor Situmorang $12.00
by R. Abdul Djamali $9.00
by Prof. Dr. Veithzal Rivai, MBA $18.00
by Adian Husaini, M.A. & Nuim Hidayat $7.00