1. Alammar J. (2019). The illustrated Word2vec . https://jalammar.github.io/illustrated-word2vec/
2. Bird, S., Loper, E., & Klein, E. (2009). Natural language processing with python. O'Reilly Media Inc.
3. Campion D. (2018). Text generation using bidirectional LSTM and Doc2Vec models . Medium . https://medium.com/@david.campion/text-generation-using-bidirectional-lstm-and-doc2vec-models-1-3-8979eb65cb3a
4. Using Cross-Sectional Surveys to Plan Message Strategies