共 50 条
- [43] Grassland productivity and water quality: a 21st Century issue GRASSLAND: A GLOBAL RESOURCE, 2005, : 239 - 249
- [46] The Art of a Networked World at the Beginning of the 21st Century AM JOURNAL OF ART AND MEDIA STUDIES, 2023, 32 : 149 - 151
- [47] APPROACHES TO URBAN DESIGN IN THE BEGINNING OF THE 21ST CENTURY PROSTOR, 2020, 28 (01): : 154 - 165
- [50] International cooperation and security at the beginning of the 21st century ESTUDIOS AVANZADOS, 2009, (12): : 9 - 21