Vijayan Poreri. (2010). Nirmalananda yogi jeevithavum chinthayum. Kerala Sahitya Academi.
Chicago Edition CitationVijayan Poreri. Nirmalananda Yogi Jeevithavum Chinthayum. Thrissur: Kerala Sahitya Academi, 2010.
MLA Edition CitationVijayan Poreri. Nirmalananda Yogi Jeevithavum Chinthayum. Kerala Sahitya Academi, 2010.
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