Modern economics helps maximize resource use and minimize waste. If you want to improve economic policies and manage risks in a fast-growing economy, you need accurate, timely economic research. Citation analysis is a common way to figure out how well research works by looking at how often a publication is cited. Thereby, this study found the oldest documents cited in economics doctoral theses that are still pertinent to economic experts and decision-makers. Since past and current documents constantly relate. This research reveals how often doctorate research academics in economics departments at all three institutions cite historical and old sources. So, the most significant and oldest publications in economics study remain relevant today.