Muni, N. et al. 2020. Behavioural study of Nymphs of Periplaneta americana in a Light-Dark Box Subjected to Different Environmental conditions. Dera Natung Government College Research Journal. 5, 1 (Dec. 2020), 49–54. DOI:https://doi.org/10.56405/dngcrj.2020.05.01.06.