Magomya, A. M. .; Yebpella, G. G. .; Okpaegbe, U. C. .; Agu, M. O. .; Kefas, K. . AN ENZYMATIC METHOD FOR THE DETERMINATION OF UREA IN AQUEOUS SAMPLES USING CRUDE UREASE FROM Citrullus Lanatus SEEDS . JCSN 2022, 47.