My book:
Kumiko Sakamoto (2020)
Factors Influencing Child Survival in Tanzania
Comparative Analysis of Diverse Deprived Rural Villages
https://link.springer.com/book/10.1007/978-981-13-7639-9
was referred to in UNICEF'S:
The State of Zanzibar's Children
Evidence from the Zanzibar Household Budget Surveys (2010-2020)
https://www.unicef.org/tanzania/reports/state-zanzibars-children#:~:text=Still%2C%20in%202020%2047%25%20of,water%20%26%20sanitation%20(47%25).
https://www.unicef.org/tanzania/media/2826/file/State%20of%20Zanzibar's%20Children.pdf
ユニセフのザンジバルの子ども白書で、阪本の著書が引用されてます。