00742nam a22001817a 450000500170000000800410001701000170005804000230007508200200009810000240011824501030014226000830024530000360032849000350036450400320039965000350043181000940046620181210004250.0180426t19671968it a     b    000 0 eng    a   74481337   aDLCcDLCdBD-DhBPA  a641.1bRIL 19671 aRitchie, Jean A. S.10aLearning better nutrition :ba second study of approaches and techniques /cby Jean A. S. Ritchie.  aRome :bFood and Agriculture Organization of the United Nations,c1967 [c1968]  axii, 264 p. :billus. ;c23 cm.1 aFAO nutritional studies no. 20  aBibliography: p. [240]-264. 0aNutritionxStudy and teaching.2 aFood and Agriculture Organization of the United Nations.tFAO nutritional studiesvno. 20