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Oonsivilai, R. , Chaijareonudomroung, N. , Huantanom, Y. , Oonsivilai, A.. "Extraction Condition of Echinocactus grusonii". World Academy of Science, Engineering and Technology, Open Science Index 46, International Journal of Agricultural and Biosystems Engineering, (2010), 4(10), 721 - 724.