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A mixed methods research study is where the researcher/s combines elements of qualitative and quantitative research approaches by converging different data sources. However, such triangulation of data is not in itself a method in the same way as a quantitative or qualitative approach with a specific paradigm. Triangulation is a plan, structure and investigation strategy deployed to obtain answers to problems identified at an earlier stage, and widely used by researchers due to its capability in cross-checking the validity of findings and its minimal risk of bias. This book focuses on how to...

Over the last few decades, non-point source (NPS) pollution has grown into a global environmental issue. The Annualized Agricultural Non-Point Source pollutant model (AnnAGNPS) is a watershed modelling tool to predict runoff, peak flow, sediment loading and nutrient loadings. The present study has been carried out in Seberang Perai Selatan to develop regional models for rainfall erosivity (EI30) values, to evaluate the performance of AnnAGNPS under Malaysian condition and to introduce the model as a long-term watershed monitoring system in the country. Three different modelling procedures...