Nakkalwar, Shrinivas L., et al. “Synthesis of Isoquinolines Using Copper Nanoparticles Supported on Carbon Microsphere Cu-NP C PEG-400 As Heterogeneous Reusable Catalyst”. International Journal of Scientific Research in Chemical Sciences, vol. 11, no. 5, Oct. 2024, pp. 23-28, https://ijsrcs.isroset.org/index.php/j/article/view/160.