1. 2nd International Postgraduate Course in Occupational Health and Safety, College of Public Health, University of the Philippines Manila, Philippines.

2. Assessment of occupational exposure to pesticides using biological and environmental monitoring techniques,The Rollins School of Public Health, Emory University, Atlanta, Georgia, U.S.A.

3. International Training Course in Partnership Building for Healthy Border.

1. Environmental, Ecology

2. Community health development