Search History Select to load keywords (dateIssued equals "[2500 TO 2566]") AND (dateIssued equals "[2530 TO 2539]") AND (dateIssued equals "2539") (author equals "ชัชวาล ใจซื่อกุล") AND (subject equals "แมลงศัตรูพืช -- การควบคุมทางชีววิทยา") AND (subject equals "Biological control systems")
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