by Dr. Ir. M\'Imadduddin Abdul Rahim, M.Sc $6.00
by Yusuf al-Uqshari $7.00
by Prof. Dr. Ali Abd. Halim Mahmud $11.00
by Glynis M. Breakwell $7.00
by Ucu Agustin $5.00
by Dr. K.H. Didin Hafidhuddin, M.Sc $7.00