If you'd like me to further, could you tell me:

Based on academic archives, appears to be a file associated with educational materials from South Kazakhstan State University (Alma-mater) . Specifically, it is linked to several instructional documents published in 2020:

: Practical guidelines for the "Theoretical Foundations of Environmental Protection" by A. A. Berdalieva.

Which specific from the list above the file actually contains? Труды ППС | Альма-матер