Dr.Siriwan Anantho- รู้สึกฟรีแผ่นผู้ผลิตผ้าอ้อม pdf ฟรี ,The UNESCO Institute for Statistics (UIS) works with governments and diverse organizations to provide global statistics on science and technology. The Institute also helps to ensure that survey instruments accurately reflect the conditions surrounding research and development (R&D), especially in developing countries. The aim is to provide the information needed for effective policymaking.

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