Patama Vapattanawong. 2002. Survival differentials among the Thai elderly, 1964-2000. Field of Study Demography, Mahidol University;
Patama Vapattanawong. (2002) Survival differentials among the Thai elderly, 1964-2000 . Mahidol University/Bangkok.
Patama Vapattanawong. Survival differentials among the Thai elderly, 1964-2000. . Bangkok:Mahidol University, 2002.
Patama Vapattanawong. (2002) Survival differentials among the Thai elderly, 1964-2000 . Mahidol University/Bangkok.