Environmental Science
Biology: OpenStax
On Social networks with an overview of graph drawing with demo of a system Pajek
Composition and Literature: A Handbook and Anthology
British Literature I: Middle Ages to the Eighteenth Century and Neoclassicism
TextBook: Good Agricultural Practices for greenhouse vegetable crops - FAO-ISHS
English Literature: Victorians and Moderns
Sustainability: A Comprehensive Foundation
British Literature II: Romantic Era to the Twentieth Century and Beyond
Environmental Biology