by Dr. Sylvia Rimm $11.00
by Prof. dr. Arjatmo Tjokronegoro, dr. Sumedi Sudarsono $7.00
by Dra. Nur'aeni, M.A $7.00
by Adzimattinur Siregar $7.00
by Sandra Brown $7.00
by Prof. Dr. H. Zainuddin Ali M. A. $7.00