by Dr. Ir. M. Imadduddin Abdul Rahim, M.Sc $7.00
by Prof. Dr. Ali Abd. Halim Mahmud $11.00
by M. Fauzil Adhim $9.00
by Y.I. Iswarahadi, SJ. $4.00
by Barry, William A, SJ & Robert Doherty $6.00
by Khalid Muhammad Khalid $9.00