1. Randomized Response: Theory and Techniques;Chaudhuri,1988
2. The unrelated question randomized response model: theoretical framework;Greenberg;J. Amer. Stat. Assoc.,1969
3. The unrelated question randomized response model;Horvitz;Proceedings of the Social Stat. Sec. Amer. Stat. Assoc.,1967
4. Asking sensitive question indirectly;Kuk;Biometrika,1990
5. Two stage randomized response sampling procedure using unrelated question;Mangat;J. Ind. Soc. Agri. Stat.,1992