by K.H. CHOER AFFANDI $7.00
by Ir. Rudy Gunawan $6.00
by Lanny Soechan $6.00
by Ir. Hatta Sunanta, B.Sc., MS $6.00
by Muh. Hasan al-Homshi $6.00
by Huala Adolf, S. H., LL M., Ph.D. $9.00