by Tjiptoherijanto, Prijono $6.00
by Prof. DR. Taliziduhu Ndraha $11.00
by Robert W. Hefner $9.00
by Richard G. Lipsey & Peter O. Steiner $16.00
by Eko Priyo Pratomo, Ubadilah Nugraha $11.00
by David Berry $9.00
by Julius R. Latumaerissa, S.E., M.M $9.00