Najamuddeen, B., Hamisu, M. and Abba, S. (2025) “A NEW 2-POINT DIAGONALLY IMPLICIT VARIABLE STEP SIZE SUPER CLASS OF BLOCK BACKWARD DIFFERENTIATION FORMULA FOR SOLVING FIRST ORDER STIFF INITIAL VALUE PROBLEMS”, FUDMA JOURNAL OF SCIENCES, 9(7), pp. 275 - 282. doi: 10.33003/fjs-2025-0907-3799.