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Tran Thi Ngoc Bich and Do Thi Thuy Van 2017. RESEARCH ON EXTRACTION AND DETERMINATION OF CHEMICAL COMPOSITION OF ESSENTIAL OIL FROM PERILLA LEAVES IN QUANG NAM. UED Journal of Social Sciences, Humanities and Education. 7, 3 (Sep. 2017), 1-5. DOI:https://doi.org/10.47393/jshe.v7i3.779.