Hoang Viet, Nguyen Khanh, et al. “Probe Design for Exploiting Gene Encoding Pectinesterase from Dna Metagenome Data of Bacteria in Goat Rumen and Co-Expression of Gpecs1 Gen With Chaperone Pg-Kje8 in Escherichia Coli”. Academia Journal of Biology, vol. 40, no. 1, Jan. 2018, pp. 84-91, doi:10.15625/0866-7160/v40n1.10917.