(1981). An indian village agricultural ecosystem-case study of ungra village (1a. ed.). [S.l.]: Applied science.
Citación estilo ChicagoAn Indian Village Agricultural Ecosystem-case Study of Ungra Village. 1a. ed. [S.l.]: Applied science, 1981.
Cita MLAAn Indian Village Agricultural Ecosystem-case Study of Ungra Village. 1a. ed. [S.l.]: Applied science, 1981.
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