Design & Development of Rule Based Inflectional and Derivational Urdu Stemmer ‘Usal’

https://www.researchgate.net/profile/Vaishali_Gupta7/publication/273127103_Design__Development_of_Rule_Based_Inflectional_and_Derivational_Urdu_Stemmer_'Usal'/links/54f831210cf28d6deca0853a.pdf

A Rule based Stemming Method for Multilingual Urdu Text

http://www.ijcaonline.org/research/volume134/number8/ali-2016-ijca-907784.pdf

Urdu Text Classification

http://www.percipienceanalytics.com/papers/Urdu%20Text%20Classification.pdf

An Efficient Indexing and Searching Technique for Information Retrieval for Urdu Language

http://www.academia.edu/8339332/An_Efficient_Indexing_and_Searching_Technique_for_Information_Retrieval_for_Urdu_Language