Poonsook Thongssien. 2002. Validity study of wechsler abbreviated scale of intelligence-Thai version [WASI-T] in Bangkok secondary school students. Field of Study Clinical Psychology, Mahidol University;
Poonsook Thongssien. (2002) Validity study of wechsler abbreviated scale of intelligence-Thai version [WASI-T] in Bangkok secondary school students . Mahidol University/Bangkok.
Poonsook Thongssien. Validity study of wechsler abbreviated scale of intelligence-Thai version [WASI-T] in Bangkok secondary school students. . Bangkok:Mahidol University, 2002.
Poonsook Thongssien. (2002) Validity study of wechsler abbreviated scale of intelligence-Thai version [WASI-T] in Bangkok secondary school students . Mahidol University/Bangkok.