R. Herry K, S. Mulyani, and J. Heikal, “Analysis of the Factors Influencing Willingness to Connect in Sistem Penyediaan Air Minum (Spam)/Drinking Water Supply System (Dwss) Pekanbaru Riau Using Binary Logistic Regression Method”, jrssem, vol. 5, no. 8, pp. 10641–10649, Mar. 2026.