Learning the pronunciation of segmental features of english phonology at german primary schools
C.A. Hahn, Learning the Pronunciation of Segmental Features of English Phonology at German Primary Schools, LibreCat University, 2023.

Syntactic perspectives on directive speech acts : a contrastive study
M. Freudinger, Syntactic Perspectives on Directive Speech Actsf: A Contrastive Study, Universitätsbibliothek Paderborn, Paderborn, 2013.