TY - JOUR AU - Haryono Tandra TI - On computing the derivative of a function JO - The Teaching of Mathematics PY - 2013 SP - 6 VL - XVI IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/TM2_2013_XVI_1_a1/ LA - en ID - TM2_2013_XVI_1_a1 ER -