Arif, Bilal. Modeling, simulation and control of surface coal gasification / [Thesis or Dissertation] Bilal Arif. - Islamabad : COMSATS University Islamabad, 2019. - xvi pages : ; 29 cm Subjects--Personal Names: Supervisor, Index Terms--Genre/Form: Electrical and Computer Engineering Dewey Class. No.: 621.3 / ARI-M