@article{AkimbekovDigelTastambeketal.2023,
  author    = {Nuraly S. Akimbekov and Ilya Digel and Kuanysh T. Tastambek and Dinara K. Sherelkhan and Dariya B. Jussupova and Nazym P. Altynbay},
  title     = {Low-rank coal as a source of humic substances for soil amendment and fertility management},
  journal   = {Agriculture},
  volume    = {11},
  number    = {12},
  doi       = {10.3390/agriculture11121261},
  year      = {2023},
}