พันธมนัสโสภา ภ. ., “TREND OF TUBTIM SIAM POMELO PLANTING OF FARMERS IN KLONG NOI SUBDISTRICT, PAK PHANANG DISTRICT, NAKHON SI THAMMARAT PROVINCE”, MCU SSR, vol. 6, no. 2-04, pp. 587–596, Apr. 2020.