by Muh. Ibrahim Salim $9.00
by Adi W. Gunawan $11.00
by Anastasia Maria Sri Kusumoretno $5.00
by Ir. Hieronymus Budi Santoso dan Heru Respati $5.00
by Ir. Lisdiana Fachruddin $5.00
by Ir. H. Rahmat Rukmana $6.00
by N. Wahyu Sulistiyana $4.00