R. . Ahamed and M. M. . Hossan, “Existence Preceding Essence: An Atomic Shift of Modern Philosophy from Descartes’ Essentialist Rationalism to Sartre’s Existentialism”, Hist. Cult. Innov., vol. 3, no. 1, pp. 7–12, Jun. 2026, doi: 10.54536/hci.v3i1.7486.