Sen,S V, & Subbarayappa,B V. Sastram in Indiayil: Oru samkshipta charithram : a consice history of science in India. State institute of languages.
শিকাগো স্টাইলে সাইটেশনSen,S V, এবং Subbarayappa,B V. Sastram in Indiayil: Oru Samkshipta Charithram : A Consice History of Science in India. Thiruvananthapuram: State institute of languages.
এমএলএ সাইটেশনSen,S V, এবং Subbarayappa,B V. Sastram in Indiayil: Oru Samkshipta Charithram : A Consice History of Science in India. State institute of languages.
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