Determinant of Utilization of Voluntary Counselling and Testing (VCT) Service in Pregnant Women in Work Area of Langsat Health Center Pekanbaru City in 2020. J Keskom [Internet]. 2021 Feb. 26 [cited 2026 Aug. 2];6(3):335-41. Available from: https://jurnal.htp.ac.id/index.php/keskom/article/view/616