Francisco, J., Rhakasywi, D. and Fahrudin, F. (2025) “Experimental Analysis of the Performance of Savonius VAWT with Different Numbers of Blades on Roofs”, Indonesian Journal of Innovation Studies, 26(4), p. 10.21070/ijins.v26i4.1675. doi: 10.21070/ijins.v26i4.1675.