http://koha.chhs.edu.my//cgi-bin/koha/opac-search.pl?q=ccl=au%3A%22%C3%A5%C2%BD%C2%BC%C3%A5%C2%BE%C2%97.%C3%A6%C2%9D%C2%9C%C3%A6%C2%8B%C2%89%C3%A5%C2%85%C2%8B%28PeterF.Drucker%29%C3%A8%C2%91%C2%97%20%7C%204450&format=rss2 0 20