Besi, E. E., Jin, N. Y., Ghazalli, M. N., Endot, M. R., Perdan, K., Ali, N., . . . Go, R. (2023). Pinalia elata (Eriinae) — taxonomic and conservation assessments of a lesser-known narrow endemic orchid from Peninsular Malaysia. Universidad de Costa Rica.

Besi, Edward E., Ng Y. Jin, Mohd N. Ghazalli, Mohd R. Endot, Khairuddin Perdan, Norulhuda Ali, Edevaldo J. Yapp, Eddie Chan, and Rusea Go. Pinalia Elata (Eriinae) — Taxonomic and Conservation Assessments of a Lesser-known Narrow Endemic Orchid From Peninsular Malaysia. Universidad de Costa Rica, 2023.

Besi, Edward E., et al. Pinalia Elata (Eriinae) — Taxonomic and Conservation Assessments of a Lesser-known Narrow Endemic Orchid From Peninsular Malaysia. Universidad de Costa Rica, 2023.