Kozel, Carlos.
Mabisang tuklas para sa kalusugan / ni Carlos Kozel. - Legazpi City : Educational Health Reform Center, c1971. - xiii, 82 p.
Includes index.
Health education.
Medicine, Preventive.
Mabisang tuklas para sa kalusugan / ni Carlos Kozel. - Legazpi City : Educational Health Reform Center, c1971. - xiii, 82 p.
Includes index.
Health education.
Medicine, Preventive.