University of Johannesburg Library | South AfricaDavid Green2020-05-22T05:31:21-07:00African Biodiversity & Conservation | South African National Biodiversity Institute (SANBI)David Green2020-05-17T14:31:27-07:00Koers | Bulletin for Christian Scholarship | South AfricaDavid Green2020-05-17T15:09:11-07:00International Journal of Sustainable Lighting | South KoreaDavid Green2020-05-17T16:59:08-07:00