Graham's pebbling conjecture on product of thorn graphs of complete graphs. - Zhiping Wang; Yutang Zou; Haiying Liu; Zhongtuo Wang (Discret. Math., 2009)

The Optimization of Shipbuilding Supply Chain Supernetwork. - Yutang Zou; Zhifang Feng; Zhiping Wang; Guang Ren (ICEE, 2010)