Member of the following socio-professional associations:
· International Sociological Association (Madrid)
· World Association for Public Opinion Research (Lincoln)
· American Sociological Association (Washington DC)
· American Statistical Association (Baltimore)
· American Association for Public Opinion Research (Ann Arbor)
· British Sociological Association (Durham)
· Canadian Sociology and Anthropology Association (Montreal)
· Australian Sociology Association (St. Lucia)
· Polish Association of African Studies (Warsaw)
· Portuguese Association of Sociology (Lisbon)
· Center of African Studies of the ISCTE (Lisbon)
· Academic Association "África Debate" (Lisbon)
· Angolan Society of Sociology (Luanda)
· Association of Anthropologists and Sociologists of Angola (Luanda)
· Union of Angolan Journalists (Luanda)
· Association of Angolan Journalists (Luanda)