Sooraj T. R. และ B. K. Tripathy. (2018) Optimization of seed selection for higher productusing interval valued hesitant fuzzy soft sets. <i>Songklanakarin Journal of Science and Technology</i>, <i>40</i>(5), 1125-1135.Sooraj T. R. และ B. K. Tripathy. "Optimization of seed selection for higher productusing interval valued hesitant fuzzy soft sets". Songklanakarin Journal of Science and Technology 40 (2018):1125-1135.Sooraj T. R. และ B. K. Tripathy. Optimization of seed selection for higher productusing interval valued hesitant fuzzy soft sets. Research and Development Office, Prince of Songkla University:ม.ป.ท. 2018.