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.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रJohn, J., और S. Ziebland. Reported Barriers to Eating More Fruit and Vegetables Before and After Participation in a Randomized Controlled Trial: A Qualitative Study. 2004.
एमएलए (9वां संस्करण) प्रशस्ति पत्रJohn, J., और 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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