प्रमुख नगर का नियम (Law of Primate City) किसके द्वारा प्रतिपादित किया गया था?

Close spacing and dense concentration of human settlements are typically associated with which type of resource?

The concept of the 'Primate City' was introduced in 1939 by:

In economic and settlement geography, cities primarily differ from villages on the basis of their: