Havilda Humaira Wardhini and Kusmaryani , R.E. 2026. Optimism as A Determinant of Adversity Quotient Among Construction Consultants in South Kalimantan. International Journal of Education, Vocational and Social Science . 5, 04 (Oct. 2026), 2223-2233. DOI:https://doi.org/10.63922/ijevss.v5i04.6728.