N. A. A. Jaafar, N. Sulaiman, M. R. Sabran, and S. A. Zainal Badari, “Development, Validity and Reliability of a Questionnaire on Psychological Factors of Organic Food Consumption among Malaysian Adults”, IMBR, vol. 15, no. 2(I)SI, pp. 57–69, Jun. 2023, doi: 10.22610/imbr.v15i2(I)SI.3417.