Ruchie Wanichayakarn. 1992. Study on production and market trial of tangerine juice. Bangkok:TISTR;
Ruchie Wanichayakarn. (1992) Study on production and market trial of tangerine juice (รายงานผลงานวิจัย). TISTR:Bangkok.
Ruchie Wanichayakarn. Study on production and market trial of tangerine juice. Bangkok:TISTR, 1992.
Ruchie Wanichayakarn. (1992) Study on production and market trial of tangerine juice (รายงานผลงานวิจัย). TISTR:Bangkok.