Hidayat, R.A.F. , Rahma, T.I.F. and Dona, N. 2026. The Effect of Learning Strategy, Stress Management, and Social Support on Student Productivity: A Human Resource Development Perspective among FEBI UINSU Students. Journal Development Manecos. 4, 1 (Jul. 2026), 251–275. DOI:https://doi.org/10.71435/739989.