1. Directory of industrial establishments in the Punjab;Directorate of Industries & Min. Dev.,1988
2. Environmental pollution — a menace to public health;Khan;Sci. Int. Lhr,1989
3. Industrial pollution;Hanif,1990
4. Pollution and natural environment;Hanif;Pakistan Council of Scientific and Research Laboratories, Lahore, Report,1990
5. Study of environmental pollutants in and around the city of Lahore—I. Determination of lead in blood of various population groups;Hussain;Sci. Total Environ.,1990