Manikkam, M.Edirisinghe, J.P.2016-04-262016-04-261987Proceedings of the 43rd Annual Sessions of the Sri Lanka Association for the Advancement of Science:p.135https://dl.nsf.gov.lk/handle/1/23202Biological SciencesEffect of releasing oothecae parasitized by Tetrastichus hagenowii and Evania appendigaster for the control of Periplaneta americanaArticleRG/84/B/005FR 0357