https://www.ukdr.uplb.edu.ph/etd-undergrad/11014/
"Evaluation of glucosinolate contents of forty accessions of Pak Choi [" by Ramjay G. Dizon
Evaluation of total glucosinolate contents of forty accessions of Pak Choi [Brassica rapa L. ssp. chinensis (L.) Hanelt] using modified micro-column method...