F. A. Umar, S. M. Lawan, C. N. Okpala, and A. Aminu, “DEVELOPMENT OF RIG HANGING HYDRO TURBINE BASED ON WASTE WATER DISCHARGE AT CHALLAWA INDUSTRIAL AREA OF KANO STATE”, FJS, vol. 5, no. 2, pp. 320–326, Jul. 2021, doi: 10.33003/fjs-2021-0502-622.