What is the not cause of mental stress?

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E6 Textbook of Nursing Management and Leadership I. Clemen — Subpart C (pp 655-967 of 982) p. 78-80
E6 Nursing_Management_and_leadership_Johny_Kutty_JosephCbs_Publishers (pp 16-364 of 374) p. 255-257
E6 Parks TextBook of Preventive & Social Medicine part 2 — Subpart B (pp 233-449 of 464) p. 149-151
Practise the full DSSSB -28 August 2019 (Shift-2)
Attempt every question from this paper in a timed mock, then review the full solution for each one.