ส่วนที่๒ ความพึงพอใจของประชาชนต่อความปลอดภัยจากอุบัติเหตุจราจรทางบก

กรุณาเลือกช่องที่ท่านคิดว่าเหมาะสมที่สุด
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    ส่วนที่๑ ข้อมูลทั่วไปของผู้ตอบแบบสอบถาม

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