Ferdian, P. A., A. Mardiyanta, J. Irianto, F. Suaedi, E. Supeno, S. Asmorowati, E. Setijaningrum, G. T. Supramudyo, B. Wardiyanto, R. W. Triana, N. Haryono, P. Keban, A. N. Soegiono, N. J. Hariani, and A. A. Bahar. “PUBLIC SPEAKING AND COPYWRITING IN SME’S PRODUCT DEVELOPMENT AT PLUT-KUMKM BATU CITY, EAST JAVA PROVINCE”. Jurnal Layanan Masyarakat (Journal of Public Services), vol. 9, no. 3, Sept. 2025, pp. 419-34, doi:10.20473/.v9i3.2025.419-434.