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		Purba, Wenni, 		Syahputri, Yuli, 		Lubis, Nita, 		Nasution, Gabriella, 		Setiyawati, Dewi, AND 		Sembiring, Febri.
" Evaluation of the potential of purple eggplant peel extract (Solanum melongena L.) as a pH indicator for bacterial growth" <em>Jurnal Biologi Udayana</em> [Online], Volume 29 Number 1 (10 June 2025)