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Baidu. (August 19, 2019). Number of installations of the Chinese voice assistant DuerOS of Baidu from 2nd quarter 2018 to 2nd quarter 2019 (in million devices) [Graph]. In Statista. Retrieved March 07, 2021, from https://www.statista.com/statistics/1079988/baidu-dueros-voice-assistant-installation-quarterly/
Baidu. "Number of installations of the Chinese voice assistant DuerOS of Baidu from 2nd quarter 2018 to 2nd quarter 2019 (in million devices)." Chart. August 19, 2019. Statista. Accessed March 07, 2021. https://www.statista.com/statistics/1079988/baidu-dueros-voice-assistant-installation-quarterly/
Baidu. (2019). Number of installations of the Chinese voice assistant DuerOS of Baidu from 2nd quarter 2018 to 2nd quarter 2019 (in million devices). Statista. Statista Inc.. Accessed: March 07, 2021. https://www.statista.com/statistics/1079988/baidu-dueros-voice-assistant-installation-quarterly/
Baidu. "Number of Installations of The Chinese Voice Assistant Dueros of Baidu from 2nd Quarter 2018 to 2nd Quarter 2019 (in Million Devices)." Statista, Statista Inc., 19 Aug 2019, https://www.statista.com/statistics/1079988/baidu-dueros-voice-assistant-installation-quarterly/
Baidu, Number of installations of the Chinese voice assistant DuerOS of Baidu from 2nd quarter 2018 to 2nd quarter 2019 (in million devices) Statista, https://www.statista.com/statistics/1079988/baidu-dueros-voice-assistant-installation-quarterly/ (last visited March 07, 2021)
