Krishnan Nair,V.R, & Ranjan S,Karippayi. (1984). Mula-Veetavasiathinum Vyavasayathinum. Kerala Agricultural University.
Chicago Edition CitationKrishnan Nair,V.R, i Ranjan S,Karippayi. Mula-Veetavasiathinum Vyavasayathinum. Vellanikkara: Kerala Agricultural University, 1984.
Cita MLAKrishnan Nair,V.R, i Ranjan S,Karippayi. Mula-Veetavasiathinum Vyavasayathinum. Kerala Agricultural University, 1984.
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