AbubakarH.; UsmanM.; FalgoreJ. .. Y.; SaniS. S.; AbubakarI.; AdamuK. AN INVESTIGATION OF CAUSAL RELATIONSHIPS BETWEEN GOVERNMENT REVENUE AND EXPENDITURE IN NIGERIA, USING ENGLE COINTEGRATION APPROACH. FUDMA JOURNAL OF SCIENCES, v. 5, n. 4, p. 222 - 228, 28 Jan. 2022.