Gregorio, D. (2025). Maegan S. Allen, Roger Bacon and the Incorruptible Human, 1220-1292. Alchemy, Pharmacology and the Desire to Prolong Life. URI:https://journals.openedition.org/ccm.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रGregorio, Daniel. "Maegan S. Allen, Roger Bacon and the Incorruptible Human, 1220-1292. Alchemy, Pharmacology and the Desire to Prolong Life." URI:https://journals.openedition.org/ccm 2025.
एमएलए (8वां संस्करण) प्रशस्ति पत्रGregorio, Daniel. "Maegan S. Allen, Roger Bacon and the Incorruptible Human, 1220-1292. Alchemy, Pharmacology and the Desire to Prolong Life." URI:https://journals.openedition.org/ccm, 2025.
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