Kahl, Werner. “ASAMOAH-GYADU, J. Kwabena, ’Sighs and Signs of the Spirit: Ghanaian Perspectives on Pentecostalism and Renewal in Africa’”. PentecoStudies, vol. 17, no. 2, Oct. 2018, pp. 230-2, https://doi.org/10.1558/pent.37243.