Pawlak, Zdzisław; Grzymala-Busse, Jerzy; Słowiński, Roman; Ziarko, Wojciech (1 November 1995). "Rough sets". Communications of the ACM. 38 (11): 88–95. doi:10.1145/219717.219791.
Pawlak, Zdzisław; Wong, S. K. M.; Ziarko, Wojciech (1988). "Rough sets: Probabilistic versus deterministic approach". International Journal of Man-Machine Studies. 29 (1): 81–95. doi:10.1016/S0020-7373(88)80032-4.
Yao, J. T.; Yao, Y. Y. (2002). "Induction of classification rules by granular computing". Proceedings of the Third International Conference on Rough Sets and Current Trends in Computing (TSCTC'02). London, UK: Springer-Verlag. pp. 331–338. doi:10.1007/3-540-45813-1_43.
Wong, S. K. M.; Ziarko, Wojciech; Ye, R. Li (1986). "Comparison of rough-set and statistical methods in inductive learning". International Journal of Man-Machine Studies. 24: 53–72. doi:10.1016/S0020-7373(86)80033-5.
Quafafou, Mohamed; Boussouf, Moussa (1 January 2000). "Generalized rough sets based feature selection". Intelligent Data Analysis. 4 (1): 3–17. doi:10.3233/IDA-2000-4102.
Grzymala-Busse, Jerzy (1997). "A new version of the rule induction system LERS". Fundamenta Informaticae. 31 (1): 27–39. doi:10.3233/FI-1997-3113.
Bazan, Jan; Szczuka, Marcin; Wojna, Arkadiusz; Wojnarski, Marcin (2004). "On the Evolution of Rough Set Exploration System". Rough Sets and Current Trends in Computing. Lecture Notes in Computer Science. Vol. 3066. pp. 592–601. CiteSeerX10.1.1.60.3957. doi:10.1007/978-3-540-25929-9_73. ISBN978-3-540-22117-3.
Kryszkiewicz, Marzena (1999). "Rules in incomplete systems". Information Sciences. 113 (3–4): 271–292. doi:10.1016/S0020-0255(98)10065-8.
Grzymala-Busse, Jerzy; Grzymala-Busse, Witold (2007). "An Experimental Comparison of Three Rough Set Approaches to Missing Attribute Values". Transactions on Rough Sets, vol. VI. Lecture Notes in Computer Science. pp. 31–50. doi:10.1007/978-3-540-71200-8_3. ISBN978-3-540-71198-8.
Greco, Salvatore; Matarazzo, Benedetto; Słowiński, Roman (2001). "Rough sets theory for multicriteria decision analysis". European Journal of Operational Research. 129 (1): 1–47. doi:10.1016/S0377-2217(00)00167-3. S2CID12045346.
Quafafou, Mohamed (May 2000). "α-RST: a generalization of rough set theory". Information Sciences. 124 (1–4): 301–316. doi:10.1016/S0020-0255(99)00075-4.
Cornelis, Chris; De Cock, Martine; Kerre, Etienne E. (November 2003). "Intuitionistic fuzzy rough sets: at the crossroads of imperfect knowledge". Expert Systems. 20 (5): 260–270. doi:10.1111/1468-0394.00250.
Feng, Feng (2009). "Generalized Rough Fuzzy Sets Based on Soft Sets". 2009 International Workshop on Intelligent Systems and Applications. Wuhan, China: IEEE. pp. 1–4. doi:10.1109/IWISA.2009.5072885.
Feng, Feng; Li, Changxing; Davvaz, B.; Ali, M. Irfan (July 2010). "Soft sets combined with fuzzy sets and rough sets: a tentative approach". Soft Computing. 14 (9): 899–911. doi:10.1007/s00500-009-0465-6.
Bazan, Jan; Szczuka, Marcin; Wojna, Arkadiusz; Wojnarski, Marcin (2004). "On the Evolution of Rough Set Exploration System". Rough Sets and Current Trends in Computing. Lecture Notes in Computer Science. Vol. 3066. pp. 592–601. CiteSeerX10.1.1.60.3957. doi:10.1007/978-3-540-25929-9_73. ISBN978-3-540-22117-3.
Greco, Salvatore; Matarazzo, Benedetto; Słowiński, Roman (2001). "Rough sets theory for multicriteria decision analysis". European Journal of Operational Research. 129 (1): 1–47. doi:10.1016/S0377-2217(00)00167-3. S2CID12045346.