Ismainar, H. and Mishbahuddin, M. (2021) “Family Planning Unmet Need; Determinant Factors and Strategy Design through Health Management Approach and Fishbone Analysis in Riau Province, Indonesia ”, Technium Social Sciences Journal. Constanta, Romania, 26(1), pp. 749–760. doi: 10.47577/tssj.v26i1.5231.