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2. ^{{cite book|title=Children's literature in India|author1=Menon, N.|author2=Nair, B.|date=1999|publisher=Children's Book Trust|isbn=9788170118725|url=https://books.google.co.in/books?id=29JjAAAAMAAJ|accessdate=2016-02-10}}
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4. ^{{cite web|url=http://www.dnaindia.com/entertainment/report-shrimatiji-billoo-pinki-pran-kumar-sharma-beyond-chacha-chaudhary-2008560|title=Shrimatiji, Billoo, Pinki: Pran Kumar Sharma beyond Chacha Chaudhary | Latest News & Updates at Daily News & Analysis|publisher=dnaindia.com|accessdate=2016-02-10}}
5. ^{{cite web|url=http://www.ndtv.com/india-news/cartoonist-pran-creator-of-chacha-chaudhary-dies-615401|title=Cartoonist Pran, Creator of Chacha Chaudhary, Dies|publisher=ndtv.com|accessdate=2016-02-10}}