Sifei Zhang

Exploring the nonlinear effects of patent H index, patent citations, and essential technological strength on corporate performance by using artificial neural network

Chien-Chung Yuan, Yun Ken, Ke-Chiun Chang, 2012, J. Informetrics.

Reducing WIP Inventory of Production Line in AQ Segerström a Svensson AB

Sifei Zhang, Vasanth Raj Yuvaraj, 2013 .

Threshold effects of the patent H‐index in the relationship between patent citations and market value

Wei Zhou, Chien-Chung Yuan, Ke-Chiun Chang, 2015, J. Assoc. Inf. Sci. Technol..