The defense budget and the military economy : excerpted from July 2002, Report to Congress of the US, China Security Review Commission, The national security implications of the economic relationship between the United States and China

Strategic budgeting : risk management principles can help DHS allocate resources to highest priorities ; statement of David M. Walker, ..., testimony before the Subcommittee on Management, Integration, and Oversight, Committee on Homeland Security, House of Representatives

Walker, David M., (2005)

Department of Defense : sustained leadership is critical to effective financial and business management transformation ; statement of David M. Walker, ..., testimony before the Subcommittee on Federal Financial Management, Government Information, and International Security, Committee on Homeland Security and Governmental Affairs, US Senate

Walker, David M., (2006)

Accrual budgeting and defence funding : theory and simulations

Solomon, Binyam, (2013)