BIOCONVERSION OF AGRICULTURAL BY-PRODUCTS TO ALGINATE BY AZOTOBACTER VINELANDII AND PHYSICO-CHEMICAL OPTIMIZATION FOR HYPER-PRODUCTION - S. Saeed; A. S. Hashmi; Ikram-ul-Haq; M. Tayyab; A. R. Awan; A. A. Anjum; S. Firyal (Journal of Animal and Plant Sciences, 2016)