Sirajudheen P.K. (2010). An Investigative Study of Different Varieties of Tea Leaves Based on Caffeine and Tannin Content. QASL.
শিকাগো স্টাইলে সাইটেশনSirajudheen P.K. An Investigative Study of Different Varieties of Tea Leaves Based on Caffeine and Tannin Content. Kollam: QASL, 2010.
এমএলএ সাইটেশনSirajudheen P.K. An Investigative Study of Different Varieties of Tea Leaves Based on Caffeine and Tannin Content. QASL, 2010.
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