Mustopa , Arga Saiful, et al. “INFLUENCE SUPPORT COLLEAGUE WORK , LEADERSHIP STYLE AND COMMUNICATION TO MPM MOTOR PONOROGO DEALER PRODUCTIVITY”. Proceeding of International Conference on Social Science and Humanity, vol. 1, no. 1, Aug. 2024, pp. 1-14, doi:10.61796/icossh.v1i1.1.