http://catalog.ndub.edu.bd/cgi-bin/koha/opac-search.pl?q=ccl=su%3A%22%C3%A0%C2%A6%C2%B8%C3%A0%C2%A6%C2%BE%C3%A0%C2%A6%C2%A7%C3%A0%C2%A6%C2%BE%C3%A0%C2%A6%C2%B0%C3%A0%C2%A6%C2%A3%20%C3%A0%C2%A6%C2%A1%C3%A0%C2%A6%C2%BF%C3%A0%C2%A6%C2%AB%C3%A0%C2%A6%C2%BE%C3%A0%C2%A6%C2%B0%C3%A0%C2%A7%C2%87%C3%A0%C2%A6%C2%A8%C3%A0%C2%A7%C2%8D%C3%A0%C2%A6%C2%B8%C3%A0%C2%A6%C2%BF%C3%A0%C2%A6%C2%AF%C3%A0%C2%A6%C2%BC%C3%A0%C2%A6%C2%BE%C3%A0%C2%A6%C2%B2%20%C3%A0%C2%A6%C2%B8%C3%A0%C2%A6%C2%AE%C3%A0%C2%A7%C2%80%C3%A0%C2%A6%C2%95%C3%A0%C2%A6%C2%B0%C3%A0%C2%A6%C2%A3%20Ordinary%20differential%20equations%C3%A0%C2%A5%C2%A4%22&format=rss2 0 20