Gopalakrishnan Perumpuzha. (2016). O N V Ormakalil Sugandham. Prabhath Book House.
Chicago Edition CitationGopalakrishnan Perumpuzha. O N V Ormakalil Sugandham. Thiruvananthapuram: Prabhath Book House, 2016.
MLA citiranjeGopalakrishnan Perumpuzha. O N V Ormakalil Sugandham. Prabhath Book House, 2016.
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