Laurentius St Gomo Tumanggor, et al. “The Influence of Transformational Leadership, Internal Communication, and Work Ability on Organizational Commitment and Organizational Performance at PT Perkebunan Nusantara I in Surabaya”. Global Economics: International Journal of Economic, Social and Development Sciences, vol. 2, no. 2, June 2025, pp. 70-83, doi:10.70062/globaleconomics.v2i2.283.