分面浏览：作者 |
| 当前检索式 | ((ALL：Melissa Clark)) |
| 限定条件 | ((来源机构：Mathematica Policy Research (United States)) AND (发布日期：2019)) |
| Mariesa Herrmann 3 | Christina Tuttle 2 | Claire Smither Wulsin 2 |
| Dallas Dotter 2 | Melissa Clark 2 | Susanne James-Burdumy 2 |
| Tim Kautz 2 | Virginia Knechtel 2 | and John Deke 2 |
| Melissa Clark 1 |
