Muhammad Afdhal Firdaus, Nadia Ayu Rahmanda, & Fa’aizah Marsela Hedriyan. (2026). Analysis of Production Cost Estimation to Increase Efficiency Using Activity Based Costing (ABC) Method in Indonesian Automotive Companies. Ambidextrous Journal of Innovation Efficiency and Technology in Organization, 5(02), 250–259. https://doi.org/10.61536/ambidextrous.v5i02.525