Nasution, K. “Analysis of Competitiveness of Shallot (Allium Cepa L.) Commodities in Nagari Alahan Panjang and Nagari Air Dingin Kecamatan Lembah Gumanti Kabupaten Solok, West Sumatera.”. Jurnal Food And Forest, Vol. 2, no. 1, July 2021, pp. 1-16, doi:10.36090/jfaf.v1i2.595.