Khattak, Dr.Bahadar Nawab books & textbook
Farmers' perception and knowledge in using wastewater for irrigation: Benefits and health risks
Hasnain, Syed Ali Mahmood, Dr.Tahir Khattak, Dr.Bahadar Nawab
LAP LAMBERT Academic Publishing /2011-09-07 Paperback / 96 Pages
isbn-10: 3845478861 / isbn-13: 9783845478869
