Gunawan, T.P. and Suharto, B. 2026. Developing Community-Based Heritage Walking Tours for Local Economic Enhancement: A Case Study of Peneleh, Surabaya. Journal of Mathematics Instruction, Social Research and Opinion. 5, 2 (Jun. 2026), 1907–1916. DOI:https://doi.org/10.58421/misro.v5i2.1383.