LAHORE: (Friday, December 14, 2012): Punjab University has awarded 04 PhD degrees to the scholars in which Masood Ahmad Khan S/o Asghar Ahmad Khan in the subject of Education after approval of his thesis entitled “Effects of Cooperative Learning on Academic Achievement and Self-Esteem of 9th Grade Biology Students”, Gibran Ali S/o Mubarak Ali in the subject of Molecular Biological after approval of his thesis entitled “Improving the Repair Potential of Stem Cells Through Combination Therapy in Liver Fibrosis’’, Farhat Zafar D/o Sh. Muhammad Zafar in the subject of Law after approval of her thesis entitled “WTO’s Dispute Settlement Mechanism: Effect on Pakistan’s Economy” and Nadeem Siddique S/o Ch. Muhammad Siddique in the subject of Library & Information Science after approval of his thesis entitled “An Appraisal of Library Software Used in Higher Education Institutions of Pakistan”.