Wanida Seehachai. (2009) Seed transmission of Alternaria zinniae pape causing leaf spot in zinnia /. Kasetsart University,:ม.ป.ท.Wanida Seehachai. 2009. Seed transmission of Alternaria zinniae pape causing leaf spot in zinnia /. ม.ป.ท.:Kasetsart University,;Wanida Seehachai. Seed transmission of Alternaria zinniae pape causing leaf spot in zinnia /. ม.ป.ท.:Kasetsart University, 2009. Print.