Kirchner, Antje, Robert F Belli, Ana Lucía Córdova-Cazar, and Caitlin E Deal. “Memory Gaps in the American Time Use Survey. Are Respondents Forgetful or Is There More to It?”. Survey Research Methods 12, no. 3 (December 10, 2018): 231–245. Accessed April 26, 2024. https://ojs.ub.uni-konstanz.de/srm/article/view/7257.