Hagenaars. J.A. 1988: Latent structure models w l t h d t r e c t effects between lndlcators. Soclo- loglcal Methods & Research 16: 379-405.
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J.A, H. (1988). Latent structure models w l t h d t r e c t effects between lndlcators. Soclo- loglcal Methods & Research, 16 pp. 379-405.
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