by Ir. Doli Siregar, M.Sc., FRICS., SVC $11.00
by A. Rani Usman $20.00
by Peter H. Lindert $26.00
by - $6.00
by Nurudin $9.00
by George R. Terry $11.00
by Mauled Moelyono, S.E $6.00
by Adiwarman Karim $31.00
by Dr. Abd El-Affendi Wahab $6.00
by $6.00
by H.C. Andersen $7.00
by Darsan, S.Pd. $6.00