Volume 14 No. 01 January 1986 http://dr.lib.sjp.ac.lk/handle/123456789/489 2026-01-07T05:59:41Z 2026-01-07T05:59:41Z The Laser-25 Years of Development Perera, Indral http://dr.lib.sjp.ac.lk/handle/123456789/603 2022-02-24T05:37:32Z 1986-01-01T00:00:00Z The Laser-25 Years of Development Perera, Indral 1986-01-01T00:00:00Z The Cultural Relativity of Accounting Systems Perera, Hector http://dr.lib.sjp.ac.lk/handle/123456789/602 2022-02-24T05:37:50Z 1986-01-01T00:00:00Z The Cultural Relativity of Accounting Systems Perera, Hector 1986-01-01T00:00:00Z The Applicability of the Method of Estimation of Adult Mortality from Information on Orphanhood for Estimating Adult Mortality in Developing Countries Silva, S.A.C.S. http://dr.lib.sjp.ac.lk/handle/123456789/601 2022-02-24T05:37:40Z 1986-01-01T00:00:00Z The Applicability of the Method of Estimation of Adult Mortality from Information on Orphanhood for Estimating Adult Mortality in Developing Countries Silva, S.A.C.S. 1986-01-01T00:00:00Z Spawning Periodicity; Larval Abundance, Growth Rate and Survival of Mugil cephalus L. (Mugiliformes; Mugilidae) in the Bolgoda Lagoon Jinadasa, J. http://dr.lib.sjp.ac.lk/handle/123456789/600 2022-02-24T05:37:50Z 1986-01-01T00:00:00Z Spawning Periodicity; Larval Abundance, Growth Rate and Survival of Mugil cephalus L. (Mugiliformes; Mugilidae) in the Bolgoda Lagoon Jinadasa, J. Mugil cephalus spawns twice a year in the Southwestern Coastal waters of Sri Lanka. Its fingerlings are available in the Bolgoda Lagoon from ca December to ca January and from ca May to June. The survival rate of M.cephalus in this lagoon is about 82%. The growth rate is about 2 cm per month. The lenght of the commercially exploited fish ranage from ca 12 to 24 cm with mean age of about 8 months. 1986-01-01T00:00:00Z