Differential Calculus. Imelda R. Lactuan  - Malabon City  Jimczyville Publications  [2015]  ©2015  - iv, 276 pages  illustrations  23 cm <br/><br/><label>ISBN: </label>9789719676126 <br/><br/><label>LC Class. No.: </label>QA 304  / D5687 2015