Olaniyan, Sunday, and Hamadu Dallah. “MODELING THE VOLATILITY FOR LONG TERM INTEREST RATE RETURNS IN THE NIGERIA BOND MARKET USING CONDITIONALY HETEROSCEDASTIC MODELS”. Jurnal Ilmiah Wahana Akuntansi, vol. 15, no. 1, Aug. 2020, pp. 46-56, doi:10.21009/wahana.15.014.