1. Asian Development Bank. 2001. Immunization Financing in Developing Countries and the International Vaccine Market: Trends and Issues. Asian Development Bank: Manila, Philippines.
2. 2003. Overview of pooled procurement models. Presentation at the SEAM (Strategies for Enhancing Access to Medicines) conference in Dar es Salaam , Tanzania, December 10–12, 2003.
3. . 2000. WHO Stop TB: A Discussion on Supply Chain and Procurement Management for a Global Drug Facility. Management Sciences for Health: Arlington, VA.
4. 2003. Group Procurement of Vaccines for Central/Eastern Europe and Newly Independent States: Feasibility, Issues and Options. Children's Vaccine Program at the Program for Appropriate Technology in Health (PATH): Seattle, WA.
5. 1999. Joint bulk purchasing of essential drugs. Paper presented at regional meeting of WHO/SEARO, Dhaka, Bangladesh, September 1999.