[Clandestine immigration:  some observations on methods of evaluation, with particular reference to the experience of the United States].
D000349:Africa; D000352:Africa, Northern; D000569:Americas; D003710:Demography; D019049:Developed Countries; D003906:Developing Countries; D004641:Emigration and Immigration; D005060:Europe; D005069:Evaluation Studies as Topic; D007558:Italy; D008800:Mexico; D009656:North America; D011153:Population; D011157:Population Dynamics; D011158:Population Growth; D012106:Research; D012107:Research Design; D013223:Statistics as Topic; D014171:Transients and Migrants; D014481:United States
Africa; Americas; Demographic Factors; Developed Countries; Developing Countries; Estimation Technics; Europe; Evaluation; Evaluation Methodology; Illegal Migrants; International Migration; Italy; Measurement; Mediterranean Countries; Mexico; Migrants; Migration; North America; Northern Africa; Northern America; Population; Population Dynamics; Population Growth Estimation; Research Methodology; Southern Europe; United States
Immigrazione clandestina:  alcune osservazioni su metodi di stima con particolare riferimento all'esperienza statunitense.