Muftah El Gadi (2023) “Shoaling Upward Cycles (Parasequences) and their Significance in the Black River -Trenton Carbonates (Ordovician) of Southern Ontario, Canada”, AlQalam Journal of Medical and Applied Sciences, pp. 97–105. Available at: https://journal.utripoli.edu.ly/index.php/Alqalam/article/view/167 (Accessed: 21 November 2024).