R. Ristika, D. . . Suranti, and E. . . Suryana, “Application Of Fuzzy Logic In Umkm Recommendations Upgrade Using The Sugeno Method At The Cooperative Office Of The City Of Bengkulu”, j.komputer, j.informasi, j.teknologi, vol. 3, no. 2, pp. 473 – 486, Dec. 2023.