John, J., & Ziebland, S. (2004). Reported barriers to eating more fruit and vegetables before and after participation in a randomized controlled trial: A qualitative study.
Чикаго-гийн эшлэл (17 дахь хэвлэлт)John, J., ба S. Ziebland. Reported Barriers to Eating More Fruit and Vegetables Before and After Participation in a Randomized Controlled Trial: A Qualitative Study. 2004.
MLA -ийн эшлэл (9 дэх хэвлэлт)John, J., ба S. Ziebland. Reported Barriers to Eating More Fruit and Vegetables Before and After Participation in a Randomized Controlled Trial: A Qualitative Study. 2004.
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