Sequeira,, Manuel Formal reasoning in portuguese junior high school students / Manuel Joaquim Cuiça Sequeira

Formal reasoning in portuguese junior high school students / Manuel Joaquim Cuiça Sequeira . - Massachusetts : University of Massachusetts, 1981 . - XIV, 200 f. 30 cm . -
Tese ("Doctor of Education"), University of Massachusetts
159.922.7
37.015.3