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Didiek Hari Nugroho and Sofiah and Yuniar and Akbar Ismi Aziz Pramito (2025) SISTEM UTILITAS. Widina Media Utama. ISBN 978-623-500-775-5
Nurhayati and Theresia Evila Purwanti Sri Rahayu and Didiek Hari Nugroho and Dedy Eko Rahmanto (2025) TEKNOLOGI PENGELOLAAN LIMBAH. CV. Hei Publishing Indonesia. ISBN 978-634-7067-28-9