by Drs. Ahmad Rohani., H.M., M.Pd $6.00
by A. Gomes, Kwanchai dan Arturo A. Gomes $12.00
by Drs. H. Moh. Pabundu Tika, M.M $7.00
by Abdul Mani $12.00
by Prof. Dr. Suharsimi Arikunto $13.00
by Andrias Harefa $11.00