If your interest is in classical jurisprudence (Fiqh), this foundational text by Imam al-Nawawi is often referred to simply as "
For academic analysis regarding the methodologies or movements associated with these works, the following papers are available: Case Study on Minhaj-ul-Quran : A research paper titled minhaj ul fatawa pdf
From Sufism to Activism: A Case Study of Tehreek e Minhaj Ul Quran If your interest is in classical jurisprudence (Fiqh),