Pattanayak, D. P. (1981). Multilingualism and mother- tongue education. O. U. Pr..
Tohutoru Kātū Chicago (17th ed.)Pattanayak, D. P. Multilingualism and Mother- Tongue Education. Delhi: O. U. Pr., 1981.
Tohutoro MLA (9th ed.)Pattanayak, D. P. Multilingualism and Mother- Tongue Education. O. U. Pr., 1981.
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