Chinn, S., & Rona, R. J. (1987). National Study of Health and Growth: Effect of change in design with reference to efficiency of mixed longitudinal studies for measuring trends.
শিকাগো স্টাইলে সাইটেশনChinn, S., এবং R J. Rona. National Study of Health and Growth: Effect of Change in Design With Reference to Efficiency of Mixed Longitudinal Studies for Measuring Trends. 1987.
এমএলএ সাইটেশনChinn, S., এবং R J. Rona. National Study of Health and Growth: Effect of Change in Design With Reference to Efficiency of Mixed Longitudinal Studies for Measuring Trends. 1987.
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