Rahulvai, dherai birakta lagdo kura garnu bhayo... sansar ka sabai prani haru lai hamro sancho ma dhalna sakindaina ni. pachhi bistarai yehi kai chal chalan ramro lagne chha tapai lai pani..dashai ko tehi suvakamana chha ani homro nepal ki chhori bhrikuti le fone magera kina fone nagarya bhanera bhute dai le gunaso gardai hunthyo bhanera sunai dinu hola For statistics, there r tons of resources in web. they will be good for general background. but for grade, just follow what your instructor has asked to read books, articles, softwares, etc.