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JOURNAL OF CHROMATOGRAPHY A
JOURNAL OF CHROMATOGRAPHY A
JOURNAL OF CHROMATOGRAPHY A
JOURNAL OF CHROMATOGRAPHY A
JOURNAL OF CHROMATOGRAPHY A
JOURNAL OF CHROMATOGRAPHY A
Direktorat Paten, Dirjen Hak Kekayaan Intelektual, Departemen Hukum dan Hak Asasi Manusia
The American Chemical Society
The American Chemical Society
Vch Publishers Inc Derfield Bach
The American Chemical Society
Blackwell Scientific Publication