*[https://creation.com/en/articles/is-the-raqiya-firmament-a-solid-dome Is the raqîa‘ (‘firmament’) a solid dome?] by [[Creation Ministries International]]
*[https://creation.com/en/articles/is-the-raqiya-firmament-a-solid-dome Is the raqîa‘ (‘firmament’) a solid dome?] by [[Creation Ministries International]]
*[https://www.icr.org/books/defenders/12 Firmament], [[Institute for Creation Research]]
*[https://www.icr.org/books/defenders/12 Firmament], [[Institute for Creation Research]]
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*[https://www.icr.org/books/defenders/4589 The firmament], [[Institute for Creation Research]]