เพิ่มเมื่อ: 2019-04-28 18:38:10.0
 แก้ไขล่าสุด: 2022-11-17 14:19:00.0
		                        	Two sets of thirty supplementary studies designed to reinforce and enhance the student's technical foundation, to be used in conjunction with Foundation Studies or any other study material.
						
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