Tivano, Nico, and Nora Nainggolan. 2024. “The Influence of Word Of Mouth, Product Quality, and Loyalty on Consumer Purchase Decisions of Ready-Mix in the City of Batam.”. Jurnal Ilmiah Wahana Pendidikan 10 (21), 621-30. https://doi.org/10.5281/zenodo.14504021.