by George A.M. Farland $9.00
by Ir. Budi Samadi $0.00
by Drs. H. Burhanuddin Salam, M.M $11.00
by Eugene L. Grant. Terj. Drs. E. Komaruddin $13.00
by Prof. Djafaruddin $9.00
by Indra Darmawan, S.E $7.00
by RW. Allard $11.00