by H. Rahmat Rukmana $6.00
by Hutabarat, Sahala & Evans, Stewart M $6.00
by Dr. E.G. Brahmaputra Marjadi, M.P.H $7.00
by Archie J. Bahm $7.00
by R.PS. Padmobusono $6.00
by Prof. Dr. Abdul Munir Mulkhan $12.00