Kongsamai, B., Junjerm, J. and Promdang, S. 2010. Seed Alpha-tocopherol and oil Content in Sunflower (Helianthus annuus L.) Inbreds, Open-pollinated Varieties and Commercial Hybrids  . Thai Agricultural Research Journal. 28, 3 (Dec. 2010), 317. DOI:https://doi.org/10.14456/thaidoa-agres.2010.19.