Alam , M., Salahin , N., Rashid , M., & Salam , M. (2013). Effects of Different Tillage Practices and Cropping Patterns on Soil Physical Properties and Crop Productivity. Journal of Tropical Resources and Sustainable Science (JTRSS), 1(1), 51–61. https://doi.org/10.47253/jtrss.v1i1.670