The eminent protein sources among the vegetarian population include cereals and pulses that do not satisfy the Recommended Dietary Allowance (RDA) level.
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Junyu Zhang, Dafang Fu, Chris Zevenbergen, Moving Towards Water Sensitive Cities: A Planning Framework, Underlying Principles, and Technologies—Case Study Kunshan Sponge City, Encyclopedia of Inland Waters (Second Edition), Elsevier, 2022, Pages 399-416, ISBN 9780128220412