Pars devoted much of his life to teaching, which explains his relatively small research output, and so it will come as no surprise that someone so devoted to teaching undergraduates should be an expert:
Pars mapagmahal marami ng kanyang buhay sa pagtuturo, na nagpapaliwanag ng kanyang relatibong maliit na research output, at kaya ito ay darating bilang walang sorpresa na isang taong mapagmahal sa pagtuturo undergraduates ay dapat na isang eksperto: