by Poesponegoro, Marwati Djoened $7.00
by Prof. dr. Hadiarto Mangunnegara, dr. Dianiati $11.00
by Sumargono $0.00
by Prof. Dr. Sondang P. Siagian, M.P.A $9.00
by $7.00
by Ratih Sang $7.00
by Susmayati, B.A., dkk $11.00
by Howard Clinebell $13.00
by - $5.00
by Indriani $7.00
by Bilson Simamora $11.00
