@article{gupta1990,
  author  = {Gupta, Akira and Banerjee, Ali and Perera, Kwame and Uddin, Kenji},
  title   = {Perturbation Analysis for Solar Photovoltaic Cells},
  journal = {Open Access Journal of Engineering Applications},
  year    = {1990},
  volume  = {14},
  number  = {1},
  pages   = {875-879},
  issn    = {3105-7004},
  doi     = {10.55555/oajea.1990.1401.044},
  url     = {https://journal.bsaps.com/article/6711}
}