by Ir. Hatta Sunanta, B.Sc., MS $7.00
by Andang Priadi S. M $5.00
by Adil Fathi Abdullah $6.00
by Rm. Agustinus Riyanto, SCJ $6.00
by Andree Feilard $11.00
by H. Rahmat Rukmana $5.00
by Elga Andriana $7.00