TY - GENERIC DO - UR - http://dx.doi.org/ TI - Assessing the Effectiveness of an Advertising Campaign on Instagram Based on Advertising Cost and Sentiment Analysis: Case of CSR Campaign T2 - Preprints AU - Ranjbar Ferdos, Ali AU - Taghavifard, Mohammad Taghi AU - Raeesi Vanani, Iman PY - 2021 DA - 2021/08/11 PB - Preprints