The next day another Vietnamese news site - Talk Vietnam - ran a story titled "Book to encourage Vietnamese language learning published in Australia" https://www.talkvietnam.org/2022/04/book-to-encourage-vietnamese-language-learning-published-in-australia/
Here are more Vietnamese news sites that have run the story:
Da Nang Today: https://baodanang.vn/english/society/202204/book-to-encourage-vietnamese-language-learning-published-in-australia-3911592/
Vietnam Plus: https://www.vietnamplus.vn/australia-xuat-ban-cuon-sach-khuyen-khich-hoc-tieng-viet/785129.vnp