by Prof. Dr. Veithzal Rivai, MBA $18.00
by Carl W. Ernst $7.00
by Huala Adolf $7.00
by Koesriani Siswosoebroto $6.00
by Soedharyo Soimin, S.H. $9.00
by H. A. Prayitno, Bambang S. Mintargo, Trubus Rahardiansah $9.00