Uranu ni planeti keje si Orun.Itokasi  Awon planeti Sistemu Orun.. 
The Origin of the Survey, I.E., The Collection of Information from a Sample of individuals, can be Traced back at least early as the DoOLUWAOLUWA book in 1086,Geoffrey Duncan Mitchell(1970),a New Dictionary of sociology,p201 while ancient Philosophers such as Confucius wrote on the importance of social Roles.. 