1. Albrecht, J. (Ed.) (2021). Managing visitor experiences in nature-based tourisms. Cabi. https://www.cabi.org/bookshop/book/9781789245714/.
2. Andrejczuk, W. (2016a). Himalaje: szkic fizyczno-geograficzny – przyroda nieożywiona. Acta Geographica Silesiana, 24, 5–28.
3. Andrejczuk, W. (2016b). Himalaje: szkic fizyczno-geograficzny – biota, piętra roślinne i krajobrazy. Acta Geographica Silesiana, 24, 29–49.
4. Apollo, M. (2015). The clash-social, environmental and economical changes in tourism destination areas caused by tourism the case of Himalayan villages (India and Nepal). Current Issues of Tourism Research, 5(1), 6–19.
5. Apollo, M. (2016). Mountaineer’s waste: Past, present and future. Annals of Valahia University of Targoviste: Geographical Series, 16(2), 13–32.