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Sousa, David A., (Nombre personal)
A Survey of science teaching in the secondary schools of New Jersey, 1981-82, c1982 (a.e.) t.p. (David A. Sousa; pres. dir. of sci., West Orange Public Sch., N.J.)
A Survey of science teaching in the secondary schools of New Jersey, 1981-82, c1982 (a.e.) t.p. (David A. Sousa; pres. dir. of sci., West Orange Public Sch., N.J.)