A SIMPLE KEY FOR LAND SURVEYING SOLUTIONS BD UNVEILED

ফেইসবুক পেইজ ভিজিট ও লাইক দিন। মাননীয় উপদেষ্টাThe Indian survey had an infinite scientific effect. It had been chargeable for one of the initial accurate measurements of a section of the arc of longitude, and for measurements with the geodesic anomaly. It named and mapped