by Drs. Syaiful Bahri Djamarah $9.00
by Ir. Budi Samadi & Ir. Bambang Cahyono $7.00
by AAK $6.00
by Thomas Subandriyo $4.00
by ISEI $56.00
by Dr. Med. Udayana Gendo $0.00
by Parlindoengan Loebis $12.00