Kwach, Boniface OtienoManyonge, Alfred W.Olambo, DavidAminer, Titus J.O.2019-05-052019-05-052013-06-01(Print) 23194537(Online) – 23194545.http://erepository.kibu.ac.ke/handle/123456789/828enAttribution-NonCommercial-ShareAlike 3.0 United Stateshttp://creativecommons.org/licenses/by-nc-sa/3.0/us/Solutions of second-order partial differential equations in two independent variables using method of characteristicsArticle