1. Standard guide for laboratory subsampling of media related to waste;ASTM;Annual Book of ASTM Standards,2012
2. tandard test methods for particle size analysis and sand shape grading of golf course putting green and sports field rootzone mixes;ASTM;Annual Book of ASTM Standards,2018
3. Burt R.(2011).Soil survey laboratory information manual(Report No. 45 Ver. 2.0). Retrieved fromhttp://NRCS.USDA.gov
4. Surface organic matter in bentgrass greens;Carrow R. N.;Golf Course Industry,2004
5. Thatch control on creeping bentgrass turf;Eggens J. L.;Canadian Journal of Plant Science,1980