Piriya Wattanarungkarn. 2000. The effectiveness of a health education program on exercise for health among the elderly of Tumbon Napa elderly club, Muang district, Chonburi province. Faculty of Graduate Studies, Mahidol University;
Piriya Wattanarungkarn. (2000) The effectiveness of a health education program on exercise for health among the elderly of Tumbon Napa elderly club, Muang district, Chonburi province . Mahidol University/Bangkok.
Piriya Wattanarungkarn. The effectiveness of a health education program on exercise for health among the elderly of Tumbon Napa elderly club, Muang district, Chonburi province. . Bangkok:Mahidol University, 2000.
Piriya Wattanarungkarn. (2000) The effectiveness of a health education program on exercise for health among the elderly of Tumbon Napa elderly club, Muang district, Chonburi province . Mahidol University/Bangkok.