(With Zhi-Hua Zhang ) The Weighted Heron mean in several variables, Journal of Inequalities in pure and applied Mathematics, RGMIA Research report collection (Australia), 9(1) Article 6, (2005).
(With Zhi-Hua Zhang and Zhen-Gang Xiao) The Weighted Heron Mean in N Variables, Journal of Analysis and Computation, 1(1) (2005) 57-69. MR2293885
(With Zhi-Hua Zhang and Yu-Dong Wu)The New Bounds of the Logarithmic mean Adv. Stud. Contemp. Math. (Kyungshang) (ASCM). 11(2), (2005), (Korea),191-196. MR2169893
(With Zhi-Hua Zhang ) The Weighted dual Heron Mean in N Variables Advanced Studies in contemporary Mathematics (ASCM) 13 (2), (2006),165-170. (Korea). MR2264306
(Zhen-gang Xiao, K.M. Nagaraja, Zhi-Hua Zhang)Two parameter generalized weighted functional mean, Journal of Inequalities in pure and applied Mathematics, RGMIA RRC(Australia), 9(1) Article 13, (2006) Australia