URL: https://www.reasonablefaith.org/writings/scholarly-writings/christian-doctrines/is-penal-substitution-incoherent-an-examination-of-mark-murphys-criticisms/

URL: https://www.whatchristianswanttoknow.com/cambrian-explosion-why-christians-need-to-know/

URL: https://www.reasonablefaith.org/question-answer/P530/is-the-cause-of-the-universe-an-uncaused-personal-creator-of-the-universe

URL: https://www.reasonablefaith.org/question-answer/P510/is-the-cause-of-the-universe-an-uncaused-personal-creator-of-the-universe

URL: https://www.reasonablefaith.org/question-answer/P560/is-the-cause-of-the-universe-an-uncaused-personal-creator-of-the-universe