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APA Citation
Lesmana, J., Halim, A., & Purna Irawan, A. (2020). design of automatic hand sanitizer with ultrasonic sensor. IOP conference series, 1007(1), . http://access.bl.uk/ark:/81055/vdc_100120019371.0x000020
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Lesmana, J., Halim, A., & Purna Irawan, A. (2020). design of automatic hand sanitizer with ultrasonic sensor. IOP conference series, 1007(1), . http://access.bl.uk/ark:/81055/vdc_100120019371.0x000020