Wisit Rittiboonchai. (2021) Marketing mix factors affecting the frequency and loyalty in online transactions of Nakhon Pathom teenagers. <i>Interdisciplinary Research Review (IRR)</i>, <i>16</i>(1), 32-35.Wisit Rittiboonchai. "Marketing mix factors affecting the frequency and loyalty in online transactions of Nakhon Pathom teenagers". Interdisciplinary Research Review (IRR) 16 (2021):32-35.Wisit Rittiboonchai. Marketing mix factors affecting the frequency and loyalty in online transactions of Nakhon Pathom teenagers. Phetchaburi Rajabhat University:ม.ป.ท. 2021.