“THE RELATIONSHIP BETWEEN EXPOSURE TO SECONDHAND SMOKE IN ENCLOSED SPACES AND SMOKING BEHAVIOR AMONG THE ELDERLY IN INDONESIA: HUBUNGAN PAPARAN ASAP ROKOK PASIF DI RUANG TERTUTUP DENGAN PERILAKU MEROKOK PADA LANSIA DI INDONESIA”, JKHWS, vol. 14, no. 1, pp. 77–88, Jun. 2026, doi: 10.47794/jkhws.v14i1.90.