Persada, P. B.; Tan, D. A. .; Akmalia, R.; Irmawati, Y. .; Sumboja, A. Solvent-Free Synthesis of Transition Metals Nanoparticles Decorated Foamy Flakes-Like Nitrogen-Doped Carbon As Bifunctional-Catalyst for High-Performance Rechargeable Zn-Air Batteries. J. Eng. Technol. Sci. 2023, 56, 666-678.