TY - JOUR T1 - Monitoring twitter strategies to discover resonating topics: The case of the undp JO - Profesional de la Informacion PY - 2017/08/02 AU - Thelwall M AU - Cugelman B ED - DO - DOI: 10.3145/epi.2017.jul.09 VL - 26 IS - 4 SP - 649 EP - 661 Y2 - 2025/03/10 ER -