Joshi, P. (1981). Science- scientific method tech. & development. S. Chand.
Chicago-čujuhus (17. p.)Joshi, P. Science- Scientific Method Tech. & Development. New Delhi: S. Chand, 1981.
MLA-čujuhus (9. p.)Joshi, P. Science- Scientific Method Tech. & Development. S. Chand, 1981.
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