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K. Chamkh and E. Kamsties, "Recommendation Systems for Requirements Engineering - A Systematic
mapping study," Software Engineering Trends, vol. 41, no. 1, pp. 10-11, 2021 [Online]. Available: https://dl.gi.de/bitstreams/fc139df5-60d8-4c8f-93d5-9a5f86a26f3f/download