Wannasiri Wannasit และ Sayan Punma. (2011) Existence of rosa-type labelings of some classes of 3-regular graphs /. Chiang Mai University,:ม.ป.ท.Wannasiri Wannasit และ Sayan Punma. 2011. Existence of rosa-type labelings of some classes of 3-regular graphs /. ม.ป.ท.:Chiang Mai University,;Wannasiri Wannasit และ Sayan Punma. Existence of rosa-type labelings of some classes of 3-regular graphs /. ม.ป.ท.:Chiang Mai University, 2011. Print.