| Nutrient characteristics of lake sediments around Eppawala phosphate deposit, Sri Lanka NP Dushyantha, PVA Hemalal, CL Jayawardena, AS Ratnayake, ... J. Geol. Soc. Sri Lanka 18 (2), 33-42, 2017 | 17 | 2017 |
| Use of Dynamites, Water-Gels and Emulsion Explosives in Sri lankan Quarrying / Mining Practice Hemalal, P.V.A., Dharmaratne, P.G.R., Kumarage, P.I. Engineer, Journal of the Institution of Engineers, Sri lanka 47 (1), 31-37, 2015 | 2* | 2015 |
| Producing Raw Silica from Sri lankan Vein Quartz Suitable for High End Glass Industry RNP Pathirage S.S., Hemalal P.V.A., Rohitha L.P.S., Siriwardhana S. Proceedings of the 31st Technical Session of Geological Society of Sri lanka 31, 2015 | 2* | 2015 |
| Prospecting for unconventional phosphate sources in lake sediments around Eppawala phosphate deposit, Sri Lanka NP Dushyantha, PVA Hemalal, CL Jayawardena, AS Ratnayake, ... | | 2017 |
| Stope Stability Analysis and Design of Open Pit Mine Slopes for Limestone Mine at Aruwakkalu, Puttalam, Sri lanka HPVAJCL 18. Kariyawasam K.M.G.S., Dauglas D.L.P.M., Amali N.P.G ... Proceedings of the 10th Annual Conference of the Earth Resources Engineering …, 2016 | | 2016 |
| Critical Evaluation of Blast-Induced Structural Damage Criteria for Buildings around Metal Quarries at Thudugala, Kaluthara DPGRHPVA Hettiarachchi M.M., Priyasanka I.D.P., Herath H.M.W.D., Mohanaruben G. Proceedings of the 10th Annual Conference of the Earth Resources Engineering …, 2016 | | 2016 |
| Critical Evaluation of Blast-Induced Structural Damage Criteria for Buildings around Metal Quarries at Thudugala, Kaluthara DPGRHPVA 19. Hettiarachchi M.M., Priyasanka I.D.P., Herath H.M.W.D ... Proceedings of the 10th Annual Conference of the Earth Resources Engineering …, 2015 | | 2015 |
| Comparison of Vein Mining Methods with Geological Occurrences MC Dharmaratne, P.G.R., Hemalal, P.V.A., Hettiwatte 30th Annual Sessions, Geological Society of Sri lanka 30, 2014 | | 2014 |
| Determination of the Specific Charge in Sri lankan Quarrying Industry and Tunneling Practice Fainaz, M.I.M., Premathilaka, S,D.N.N., Faslan, A.C.M., Gayan, W.A.M.S ... Proceedings of the 9th Annual Conference of the Earth Resources Engineering …, 2014 | | 2014 |
| Evaluation of Overhand Cut-and-Fill Mining Method used in Bogala Graphite Mines Dharmaratne, P.G.R., Hemalal, P.V.A., Hettiwatte, M.C. 19th Symposium of the Engineering Research Unit of the University of …, 2013 | | 2013 |
| Critical Evaluation of Underground Support Systems in Bogala Mines Dharmaratne, P.G.R., Hemalal, P.V.A., Hettiwatte, M.C. National Engineering Conference, Institution of Engineers of Sri lanka …, 2013 | | 2013 |
| Mine Cost Control through Effective Mine Drainage at Bogala Mines – Phase 1 Uddika J.I., IC Samarakkody I.C., G Thanansayan G., RR Harinth R.R., *Prof ... Proceedings of the 8th National Conference of the Earth Resources …, 2013 | | 2013 |
| The Optimization of Field Parameters of Non-Explosive Demolishing Agent Silva, G.W.G.S.L., Wikramage, K.M.J.P., Vithanage, K.S., Hemalal, P.V.A ... Proceedings of the 8th National Conference of the Earth Resources …, 2013 | | 2013 |
| Optimization of Blasting Geometry for Different Rock Types Sameera, J.D.A.M., DE Silva, H.C.N., Vijithan, K., Warnasooriya, W.M.N.T ... Proceedings of the 6th National Conference of the Earth Resources …, 2011 | | 2011 |
| Minimization of Secondary Fragmentation with a View to Enhancing the Blasting Economics Piomathusoothanan, F., Batugampola,B.B.M.P., Harishchandra, Y.C.K ... Proceedings of the 6th National Conference of the Earth Resources …, 2011 | | 2011 |
| Effect of a Triclosan Containing Toothpaste on Oral Microorganisms B Balasooriya, KDP Hemalal, KS Kalhari, CN Rajapakse, PS Rajapakse, ... University of Peradeniya, Sri Lanka, 2006 | | 2006 |
| Environmental Comfort Conditions of a Deep Graphite Mine with Special Reference to Bogala Mine, Sri Lanka Hemalal P.V.A. and Dharmaratne P.G.R. Engineer- Journal of the Institution of Engineers, Sri Lanka 12, 18-33, 1996 | | 1996 |
| Critical Evaluation of the Overhand Cut-and-Fill Mining Method with Special Reference to Bogala Graphite Mines, Sri Lanka Hemalal P.V.A., and Dharmaratne P.G.R. Engineer (Journal of the Institution of Engineers, Sri Lanka) 20, 1992 | | 1992 |
