by Alison Hull, M.P.H., R.D $6.00
by WK $12.00
by Pandiwinoto C.P $6.00
by WK $13.00
by dr. Muchlis Ramli, dr. Rainy U., dr. Sonar S.P $6.00
by Syaifuddin $12.00
by M. Fauzil Adhim & M. Nazhif Masykur $6.00