Rajan,K R. Keralathile vyavasayangal. Kerala Bhasha Institute.
シカゴスタイル引用形Rajan,K R. Keralathile Vyavasayangal. Thriruvananthapuram: Kerala Bhasha Institute.
MLA引用形式Rajan,K R. Keralathile Vyavasayangal. Kerala Bhasha Institute.
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