Holford, J., Boyadjieva, P., Clancy, S., Hefler, G., & Studená, I. (2023). Lifelong Learning, Young Adults and the Challenges of Disadvantage in Europe. Springer Nature.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रHolford, John, Pepka Boyadjieva, Sharon Clancy, Günter Hefler, और Ivana Studená. Lifelong Learning, Young Adults and the Challenges of Disadvantage in Europe. Cham: Springer Nature, 2023.
एमएलए (9वां संस्करण) प्रशस्ति पत्रHolford, John, et al. Lifelong Learning, Young Adults and the Challenges of Disadvantage in Europe. Springer Nature, 2023.
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