Pensee Nantasomsaran และ Prasarn Vongsaroj; Opas Worawat; Surapong Sakarung. (1999) Study on Fertilizer Application and Weed Control Method in the Northeast Transplanted Rice. <i>Thai Agricultural Research Journal</i>, <i>17</i>(1), 45-51.Pensee Nantasomsaran และ Prasarn Vongsaroj; Opas Worawat; Surapong Sakarung. "Study on Fertilizer Application and Weed Control Method in the Northeast Transplanted Rice". Thai Agricultural Research Journal 17 (1999):45-51.Pensee Nantasomsaran และ Prasarn Vongsaroj; Opas Worawat; Surapong Sakarung. Study on Fertilizer Application and Weed Control Method in the Northeast Transplanted Rice. Department of Agriculture:ม.ป.ท. 1999.