According to the school health committee of India the minimum land area for elementary school education is

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E6 Parks TextBook of Preventive & Social Medicine part 2 — Subpart A (pp 1-232 of 464) p. 78-80
E6 Comprehensive Textbook of Community Health Nursing for BSc Nursing Students Part 2 — Subpart A (pp 1-275 of 550) p. 133-135
Practise the full RRB Nsg. Superintendent-20 July 2019 (Shift-2)
Attempt every question from this paper in a timed mock, then review the full solution for each one.