F, H. R., Supriyana, S. and Runjati, R. (2021) “Self-Empowerment, Affirmation And Relaxation Training Against Stress Levels And Cortisol Levels In Pregnant Women: Systematic Literature Review”, STRADA : Jurnal Ilmiah Kesehatan, 10(1), pp. 335–343. doi: 10.30994/sjik.v10i1.636.