00543nam a22001937a 4500003000400000020001800004082001900022245007500041260005600116300001500172546001200187650003200199650003200231650003300263700001200296700001300308700001500321700001300336OSt  a9789712202933  a633.18bWAN/PA  aPatterns of varietal adoption and economics of rice production in Asia  aManilabInternational Rice Research Institutec2012  avii, 130p.  aEnglish  arice production in Cambodia  arice production in Pakistan  arice production in Sri Lanka  aWang, H  aPandey,S  aVelarde, O  aHardy, B