There is a research article titled "Study on Initial Fracture Characteristics of the Main Roof..." which is indexed under a URL ending in 13782 at MDPI Sustainability . EN-13782.pdf - Kroftman
There is a research article titled "Study on Initial Fracture Characteristics of the Main Roof..." which is indexed under a URL ending in 13782 at MDPI Sustainability . EN-13782.pdf - Kroftman