Syafria, H.; Jamarun, N.; Pazla, R. Utilization of Biourine and Arbuscular Mycorrhizal Fungi As Biotechnological Agents for Improving Land Productivity of Ex-Coal Mines and Testing Their Effects on the Content of Forage Fiber Fractions [Hymenachne Amplexicaulis (Rudge) Nees]. Pak. J. Nutr. 2019, 18 (8), 791–794. https://doi.org/10.3923/pjn.2019.791.794.