Narayanan C. P. (2000). ഗണിത കൗതുകം. Kerala Saastrasaahitya Parishad.
Chicago Edition CitationNarayanan C. P. ഗണിത കൗതുകം. Thrissur: Kerala Saastrasaahitya Parishad, 2000.
MLA Edition CitationNarayanan C. P. ഗണിത കൗതുകം. Kerala Saastrasaahitya Parishad, 2000.
Warning: These citations may not always be 100% accurate.