by Ir. Setijo Pitojo $6.00
by WK $12.00
by $4.00
by Herbert Vorgrimler $4.00
by WK $13.00
by Gunardi & Markus $40.00
by M. Yahya Harahap, S.H. $12.00
by Maria A. Sardjono $7.00
by Prof. dr. Sarwono Waspadji, Prof. dr. Slamet Suyono $5.00
by - $12.00
by $7.00