| Villasica, L.J.D., Lina, S.B., Asio, V.B. | Aggregate stability affects carbon sequestration potential of different soil type in the tropics | 2018 | Annals of Tropical Research |
| Sarmiento, R.T., Garcia, G.A.A., Varela, R.P. | Diversity of the riparian vegetation of lower agusan river towards establishing the sago-based eco belt for disaster risk reduction | 2017 | Journal of Biodiversity and Environmental Science |
| Varela, R.P. & Degamo, J.R.S. | Aquatic beetle assemblage in natural habitats of Agusan marsh, Mindanao, Philippines | 2016 | Journal of Entomology and Zoology Studies |
| Varela, R.P. & Villacarlos, L.T. | Community structure if arthropods in Agusan del Norte lowland ricefields | 2006 | Annals of Tropical Research |
| Rollon, R.J.C., Almendras-Ferraren, A.S., Ferraren, D.O. | Effects of biochar application on potting media chemical properties, arbuscular mycorrhizal fungi spore density, growth and nutrient uptake of sorghum (Sorghum vulgare L.) | 2017 | AAB Bioflux |
| Rollon, R.J.C., Galleros, J.E.V., Galos, G.R., Villasica, L.J.D., Garcia, C.M. | Growth and Nutrient uptake of Paraserianthes falcataria (L.) as affected by carbonized rice hull and arbuscular mycorrizhal fungi grown in an artifically copper contaminated soil | 2017 | AAB Bioflux |
| Asio, V.B., Demain, K.L.B., Olguera, D.T., Villasica, L.J.D. | Characteristics and nutrient status of two degraded upland soils in Samar, Philippines | 2015 | Annals of Tropical Research |
| Noriel, L.N., Mangaoang, Y.C., Paningbatan, R.A., Salva, R.V. | Survey and evaluation of promising mycoherbicides for the control of asyang (Mikania cordata (Burm.F.) B.L. Robinson) | 2007 | Annals of Tropical Research |
| Varela R.P. & Gapud, V.P. | Rice paddies as corridors for conservation of aquatic fauna | 2007 | INWEPF |
| Garcia, C.M., Asube, L.C.s., Varela, R.P., Garcia, G.A.A. | Floristic composition in Kinalablaban river delta interconnected with the nickel mines of Surigao, Philippines | 2017 | Journal of Biodiversity and Environmental Sciences |
| Varela, R.P., Fernandez, E.V., Degamo, J.R.S. | Agricultural development and habitat change in Agusan River basin in Mindanao, Philippines | 2013 | International Journal of Development and Sustainability |
| Varela, R,P. & Gapud, V.P. | Interdependence between natural habitats and ricefield for rice pest management in the Agusan Marsh Floodplain | 2013 | Journal of Environmental Science and Engineering |
| Sarmiento, R.T. & Varela, R.P. | Assessing the biomass potential of major industrial tree plantation species for green energy production | 2015 | Open Journal of Forestry |
| Balanay, R.M. | Analyzing price volatility and supply response of duck eggs in the Philippines for industry development implications relative to climate change adaptation | 2015 | Annals of Studies in Science and Humanities |
| Balanay, R.M. & Valera, H.G.A. | Rice producers' behavior towards unpredictable price and ambient temperature changes: Analysis with ARCH and SUR for the major agricultural regions in the Philippines | 2014 | International Journal of Development and Sustainability |
| Balanay, R.M. & Yorobe Jr., J.M. | Analysis of Mining's socioeconomic impacts with propensity score matching for insight on responsible mining in the Agusan Provinces of Caraga Region, Philippines | 2014 | International Journal of Development and Sustainability |
| Balanay, R.M. | Spillover effects of price volatility in the eggs and meat markets in the Philippines | 2013 | International Journal of Development and Sustainability |