Author Azizullah Sayal
ORIGINAL RESEARCH
Industrial Water Contamination
and Health Impacts: An Economic Perspective
Azizullah Sayal, Shehla Amjad, Muhammad Bilal,
Arshid Pervez, Qaisar Mahmood, Muhammad Asim Afridi
Pol. J. Environ. Stud. 2016;25(2):765-775
ORIGINAL RESEARCH
Biosand Filter Containing Melia Biomass
Treating Heavy Metals and Pathogens
Beiping Zhang1, Lan Gao1, Saima Fazal1, Qaisar Mahmood2,
Mehmood Laghari1, Azizullah Sayal2
Pol. J. Environ. Stud. 2016;25(2):859-864