Supplementary Material 1: Environmental management capacity building opportunities exclude most south African languages

National Library of South Africa’s catalogue of 770 non-fiction print book titles (1996 - 03 September 2021) indexed in the environment section of South African public libraries.南非国家图书馆（National Library of South Africa）编制的770种非虚构印刷图书书目目录，时间覆盖1996年至2021年9月，该批书目均被索引至南非公共图书馆的环境类分区中。