نتائج البحث

Long-term ecological monitoring in schools and colleges.

• Authors : Doberski, Julian; Brodie, Iain D. S.

• Source: Journal of Biological Education (Society of Biology). Summer91, Vol. 25 Issue 2, p123. 6p. 2 Diagrams, 9 Graphs.

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An Analysis of Occupational Blood Lead Trends in Manitoba, 1979 Through 1987.

• Authors : Yassi, Annalee¹; Mary Cheang²; Tenenbein, Milton³

• Source: American Journal of Public Health. Jun91, Vol. 81 Issue 6, p736-740. 5p. 2 Charts, 3 Graphs.

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Disease Control Priorities in Developing Countries: Health Policy Responses to Epidemiological Change.

• Authors : Jamison, Dean T.¹; Mosley, W. Henry²

• Source: American Journal of Public Health. Jan1991, Vol. 81 Issue 1, p15-22. 8p. 2 Charts.

تفاصيل العنوان

Restoring mountain slopes.

• Source: Futurist. Nov/Dec91, Vol. 25 Issue 6, p42-42. 2p. 1 Black and White Photograph, 1 Illustration.

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