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Vijendra Babu, D and Subramanian, P and Karthikeyan, R and Akash, N and Phanindra, U and Hemanth, G (2020) RFID and GSM based Automatic Dispensing and Monitoring of Sanitary Napkin Vending Machine for Menstrual Hygiene among Women. IOP Conference Series: Materials Science and Engineering, 993 (1). 012074. ISSN 1757-8981