Pinthira Tangsupphathawat และ Vichian Laohakosol. (2009) Posityvity and periodicity of linear recurrence relation. Kasetsart University,:ม.ป.ท.Pinthira Tangsupphathawat และ Vichian Laohakosol. 2009. Posityvity and periodicity of linear recurrence relation. ม.ป.ท.:Kasetsart University,;Pinthira Tangsupphathawat และ Vichian Laohakosol. Posityvity and periodicity of linear recurrence relation. ม.ป.ท.:Kasetsart University, 2009. Print.