Missing Persons Squad detectives are appealing for a person who provided information on the whereabouts of Ju "Kelly" Zhang to make contact again.
A person called Crime Stoppers anonymously this morning and provided details of Ju's location.
Investigators are urging that person to call back and provide further information or to make contact with detectives.
Ju was last seen at her home on Winchester Avenue in Epping about 5.30pm on Monday, 1 February.
At the time the 33-year-old went missing, she was believed to be wearing a pink nightgown and possibly pink slippers.
A 35-year-old Doncaster man has been charged with one count of murder.
The investigation into the matter remains ongoing.
Anyone with information about Ju's disappearance is urged to contact Crime Stoppers on 1800 333 000 or submit a confidential online report at www.crimestoppersvic.com.au
