Purbowati, Ike, 		Maksum, Ali, 		Wijonarko, Gunawan, 		Ridhani, M, AND 		Hanifa, Hana.
" THE EFFECT OF VARIATION OF IMMOBILIZATION TIME AND  CONCENTRATION ROCELLA (Hibiscus sabdariffa L.) EXTRACT ON  CHARACTERISTICS AND EVALUATION OF TIME TEMPERATURE  INDICATOR" <em>Proceeding ICMA-SURE</em> [Online], (8 March 2024)