tailieudientu.lrc.tnu.edu.vntailieudientu.lrc.tnu.edu.vn/Upload/Collection/brief/73723...Tran T rung...
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tailieudientu.lrc.tnu.edu.vntailieudientu.lrc.tnu.edu.vn/Upload/Collection/brief/73723...Tran T rung Kienl*, Phan Thi Van', Tran Dinh Hal, Nguyen Thi Dung2 College of Agriculture and