ARSALAN AHMED; TALAT MAHMOOD; MUHAMMAD LIAQUAT; AHMED MUJTABA; MUHAMMAD MAZAHIR. SAFETY AND QUALITY EVALUATION OF COMMUNITY TAP WATER PURIFICATION PLANTS IN HARIPUR REGION, PAKISTAN. Policy Research Journal, [S. l.], v. 4, n. 3, p. 775–788, 2026. Disponível em: https://policyrj.com/1/article/view/1703. Acesso em: 1 apr. 2026.