B. Tinambunan, Zulfahmi Indra, Alya Namira, and Adinda Soleha, “Analysis of the Use of Cloud-Based Collaborative Tools (Notion and Google Docs) for Software Planning Optimization: A Literature Review”, j. of artif. intell. and eng. appl., vol. 5, no. 3, pp. 4549–4554, Jun. 2026.