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Hoaha, P.; Boonjang, S.; Chomkaew, K.; Kuekli, W.; Phetphum, C.; Yangthisan, N. Effects of Secondhand Smoke Reduction Programin the Household, Ban Tio Sub-District, Lom SakDistrict, Phetchabun Province. JPHSR 2019, 1, 39-52.