A hugh marketing research task:  birth control.
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D003906:Developing Countries; D004467:Economics; D005193:Family Planning Services; D007722:Health Knowledge, Attitudes, Practice; D006302:Health Services Research; D008389:Marketing of Health Services; D010684:Philosophy; D012106:Research
Action Research; Developing Countries; Economic Factors; Family Planning; Kap; Marketing; Philosophical Overview; Research Methodology