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- Social mobility 2
- Social movements 10
- Social movements-América Central 1
- Social movements-Bolivia 1
- Social movements-Central America 1
- Social movements-Costa Rica 1
- Social movements-El Salvador 35
- Social movements-El Salvador-Morazán 1
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- Social perception in children-El Salvador-1996 1
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- Social problems 4
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- Social problems-El Salvador-1982 2