Potential phytophagous insects of Pteridium revolutum (Blume) Nakai, an invasive fern.

Arjun, M. S., Gopakumar, S., (2021). Journal of Threatened Taxa 13(3), 18030-18034. Zoo Outreach Organisation, Coimbatore, India. English language

Morphological keys for four Australian Acacia species grown in Kerala, India.

Lakshmi, M. N., Gopakumar, S., (2009). Journal of Tropical Agriculture 47(1/2), 62-66. Kerala Agricultural University, Thrissur, India. English language

Standardisation of containers for growth and vigour of tree seedlings in the nursery.

Gopakumar, S., Gopikumar, K., (1993). Journal of Tropical Forest Science 6(1), 26-36. English language