Ubon Ratchathani University Portal site for E-Thesis & E-Research
คลังวิทยานิพนธ์เเละงานวิจัย มหาวิทยาลัยอุบลราชธานี
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] Filters: First Letter Of Title is E and Author is Pitsamai Lapsarn [Clear All Filters]
. (2009). Effects of different types of negative feedback on Prathom Suksa students' ability to learn plural formation rules. Faculty of Liberal Arts, Ubon Ratchathanee University, Ubon Ratchathani .