Complex systems theory: implications and promises for manufacturing organisations. - Ian P. McCarthy; Thierry Rakotobe-Joel; Gerry Frizelle (Int. J. Manuf. Technol. Manag., 2000)

Using Shannon entropy as a systems' measure. - Gerry Frizelle (Int. J. Inf. Decis. Sci., 2011)

A method for analysing operational complexity in supply chains. - Yue R. Wu; Luisa Huaccho Huatuco; Gerry Frizelle; Janet Smart (J. Oper. Res. Soc., 2013)