37026619
9783659248573
Ahmad Mahmoud Abd El-Halem El-Gamal is the author of 'The Physico-chemical Properties Of Spear And Peppermint Volatile Oils: Changes In The Physico-chemical Properties Of Spear And Peppermint Volatile Oils During Storage', published 2012 under ISBN 9783659248573 and ISBN 3659248576.
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