Nawarat Ananchuen. (1999) On k*-extendable graphs. Department of Mathematics, Silpakorn University,:ม.ป.ท.Nawarat Ananchuen. 1999. On k*-extendable graphs. ม.ป.ท.:Department of Mathematics, Silpakorn University,;Nawarat Ananchuen. On k*-extendable graphs. ม.ป.ท.:Department of Mathematics, Silpakorn University, 1999. Print.