A discussion of the role of social studies in the development of the secondary school child in ceylon and a study in the measurement of social concepts

Chinniah, K.2024-10-082024-10-081957https://ir.lib.pdn.ac.lk/handle/20.500.14444/1622en-USA discussion of the role of social studies in the development of the secondary school child in ceylon and a study in the measurement of social conceptsThesis