https://koha.duhs.edu.pk/cgi-bin/koha/opac-search.pl?q=ccl=au%3A%22R.K.%20Tiwari%22&sort_by=relevance&format=rss 2 0 50 ISBN:978-8189473112 https://koha.duhs.edu.pk/cgi-bin/koha/opac-detail.pl?biblionumber=7922 ]]> By R.K. Tiwari.
Oxford Book Co. 2007 .
269 978-8189473112

]]> Place hold on Ecosystem and Human Health.

]]> https://koha.duhs.edu.pk/cgi-bin/koha/opac-detail.pl?biblionumber=7922 ISBN:9.78819E+12 https://koha.duhs.edu.pk/cgi-bin/koha/opac-detail.pl?biblionumber=31208 By Tiwari, R.K..
India : Oxford Book Company, 2007 .
iv, 269 pg. 24 cm..
9.78819E+12

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]]> https://koha.duhs.edu.pk/cgi-bin/koha/opac-detail.pl?biblionumber=31208