Ratnawati, Fajar, Niky Hardinata, and Supendi. “This Study Developed a Certainty Factor (CF)–based Expert System to Support Nutrition Consultation and Stunting Prevention in Coastal Settings Using Bengkalis Regency As a Case Study. A Design Science Approach Was Employed to Analyze Local Service Constra”. JURNAL TEKNOLOGI DAN OPEN SOURCE 8, no. 2 (October 6, 2025): 530 - 539. Accessed October 8, 2025. https://ejournal.uniks.ac.id/index.php/JTOS/article/view/4858.