Shamsul Haq
"Nitrogen Fixing Biofertilizers; Mechanism and Growth Promotion: A Review".
Journal of Pure and Applied Microbiology,
vol: 9,
No. 2
Jan. 2015,
pp: 1675-1690,
https://scholar9.com/publication-detail/nitrogen-fixing-biofertilizers-mechanism-and-grow-23920