The Intersection of demographic factors, parental awareness, and attitudes: implications for children's health risks from secondhand tobacco smoke by Elsaihi, Fatma Masoud, Shohaimi, Shamarina, Nadzir, Ohd Noor Hisham Mohd, Puad, Mohd Hazwan Mohd, Rahman, Abdul Hafiz Ab, Elsaieh, Afaf Masaud