http://library.bids.org.bd/cgi-bin/koha/opac-search.pl?q=ccl=su%3A%22Bengal%22%20and%20au%3AChakraborty%2C%20Ratan%20Lal&format=rss2 3 0 500 ISBN http://library.bids.org.bd/cgi-bin/koha/opac-detail.pl?biblionumber=53079 Dhaka : Joint Study on Agriculture and Rural Development (JSARD) , 1989 . xxxix, 318p. : 26 cm. .

]]> http://library.bids.org.bd/cgi-bin/koha/opac-detail.pl?biblionumber=53079 ISBN http://library.bids.org.bd/cgi-bin/koha/opac-detail.pl?biblionumber=53080 Dhaka : Joint Study on Agriculture and Rural Development (JSARD) , 1990 . xxxvii, 375p. : 26 cm. .

]]> http://library.bids.org.bd/cgi-bin/koha/opac-detail.pl?biblionumber=53080 ISBN http://library.bids.org.bd/cgi-bin/koha/opac-detail.pl?biblionumber=53092 Dhaka : Joint Study on Agriculture and Rural Development (JSARD) , 1987 . 135p. : , JICA joint study project 26 cm. .

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