Kamran, M.; Pasha, T. N.; Mahmud, A.; Ali, Z. Effect of Commercial Enzyme (Natugrain) Supplementation on the Nutritive Value and Inclusion Rate of Guar Meal in Broiler Rations. Int. J. Poult. Sci. 2002, 1 (6), 167–173. https://doi.org/10.3923/ijps.2002.167.173.