অনুসন্ধান করুন
Natality
01
the ratio of live births in an area to the population of that area; expressed per 1000 population per year
অ্যাপ ডাউনলোড করুন
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অনুসন্ধান করুন
the ratio of live births in an area to the population of that area; expressed per 1000 population per year