Malik, Abdul, and Anies Fatmawati. “Cyclical Timing Across Asset Classes: A Structured Narrative Review of Market Cycle Theory in Equities, Gold, and Cryptocurrency”. Enigma in Economics 4, no. 1 (August 20, 2026): 134-148. Accessed September 4, 2026. https://enigma.or.id/index.php/economy/article/view/130.