,Muneer Ahmed Khatian DWASDSMK. EMPLOYING WAVELET COHERENCE METHODS FOR THE MANAGEMENT AND CONSTRUCTION OF AN OPTIMAL INVESTMENT PORTFOLIO. pjia [Internet]. 2024 Jun. 20 [cited 2026 Aug. 4];7(2). Available from: https://pjia.com.pk/index.php/pjia/article/view/1069