Natural resources:
Natural resource - Wikipedia, the free encyclopedia
Natural resources of Pakistan:
Natural Resources of Pakistan

Types of Migrations:

(A)Types on the basis of era.
1- Pre-historic migrations( before 300,00 years BP, before present)
2- Ancient migrations
3- Modern Migrations

(B)Types on the basis of abode/regions/environment
1-International migrations
2-Seasonal migrations
3-Rura-urban migraions
4-Urban-rural migrations
5-Intra-urban migrations
etc.