共 50 条
- [1] Surveying Hard-to-Reach Groups TRANSPORT SURVEY METHODS: KEEPING UP WITH A CHANGING WORLD, 2009, : 127 - 144
- [6] Surveying Hard-to-Reach Programs: Identifying the Population of Medicaid Prenatal Case Management Programs Maternal and Child Health Journal, 2011, 15 : 883 - 889
- [9] HARD-TO-REACH BACK PARTS APPALACHIAN HERITAGE-A LITERARY QUARTERLY OF THE SOUTHERN APPALACHIANS, 2015, 43 (02): : 46 - +
- [10] Unmanned Aerial Vehicles as a Supporting Tool of Classic Land Surveying in Hard-to-Reach Areas VIII INTERNATIONAL SCIENTIFIC SIBERIAN TRANSPORT FORUM, VOL 1, 2020, 1115 : 717 - 729