It is described as a collection of people who share some attributes of their lives?

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E6 Comprehensive Textbook of Community Health NursingShyamala D part 1 (pp 26-389 of 389) pp. 24-26, 61-63, 30-32
Practise the full DSSSB Public Health Nurse - 2015
Attempt every question from this paper in a timed mock, then review the full solution for each one.