1. 1967. An International Study of Health Expenditure and Health Financing. Public Health Papers, No. 32. World Health Organization: Geneva; 23-26.
2. Community-financing in developing countries: the potential for the health sector
3. 1997. Situación de la salud en Perú y sus tendencias: la reforma sectorial. Seminario Internacional de Las Reformas en Salud. MINSA-Perú. Dep. Leg. 0796-97, 1ra. Edición, Lima; 23-31.
4. 1990. Implementing decentralization of health services: a case study from Mexico. In Health System Decentralization. Concepts, Issues and Country Experience, et al. (eds). World Health Organization: Geneva; 67-71.