ขนาดวิดีโอ: 1280 X 720853 X 480640 X 360
แสดงแผงควบคุมโปรแกรมเล่น
เล่นอัตโนมัติ
เล่นใหม่
Very informative reporting,Excellent
Excellent reporting with detail explanation very informative.
Make these techniques and technology available to countries in developing countries.
All these techniques are not known by developing countries.
Advertise these technologies worldwide.
Very informative reporting,Excellent
Excellent reporting with detail explanation very informative.
Make these techniques and technology available to countries in developing countries.
All these techniques are not known by developing countries.
Advertise these technologies worldwide.