Mmiri na-adọba mmiri

Okwu a na-ahụ maka nlekọta ahụ bụ 2002 site n'aka ọkà mmụta mmekọrịta ọha na eze nwanyị bụ Arlie Hochschild, bụ nkatọ nwanyị nke ụbụrụ ụbụrụ n'okpuru usoro nhazi nke ịkwaga nwanyị na agbụ nlekọta zuru ụwa ọnụ na mmetụta ọ na-enwe na ezinụlọ ndị inyom a na-ahapụ. N'ụzọ dị iche, uru nlekọta na-ezo aka uru maka ndị inyom na-arụ ọrụ na-akwaga mba ọzọ, ezinụlọ ha na mba ndị na-ezigara ha.  

Ọpụpụ nlekọta bụ ihe ama ama n'ime iyi nke mbugharị ise: 

 Site Eastern Europe ruo Western Europe
 Site na Mexico, Central America, na South America ruo United States
 Site na North Africa ruo Southern Europe
 Site na South Asia ruo na steeti Gulf
 Site na Philippines ruo n'ụwa niile, gụnyere Hong Kong, US, Europe na Israel.

 Edensibia 

 Ọgụgụ ọzọ