by Mansur Samin $6.00
by Sanapiah Faisal $9.00
by Health Media Nutrition Series $6.00
by Drs. Abd. Aziz Ahmad, M.Pd $7.00
by Drs. Bambang Siswanto, M.A $6.00
by Drs. H. Malayu S.P. Hasibuan $7.00