Chakkrit Sreela-or และ Punnada Tharungsri; Supawadee Yamkong;Patthanun Kotam;Prapasiri Jaipong. (2022) OPTIMUM CONDITIONS OF USING BIO-EXTRACT FROM URINE WITH VINASSE AND MANURE AFFECTING YIELDS OF MARIGOLD. <i>Life Sciences and Environment Journal</i>, <i>23</i>, 283-296.Chakkrit Sreela-or และ Punnada Tharungsri; Supawadee Yamkong;Patthanun Kotam;Prapasiri Jaipong. "OPTIMUM CONDITIONS OF USING BIO-EXTRACT FROM URINE WITH VINASSE AND MANURE AFFECTING YIELDS OF MARIGOLD". Life Sciences and Environment Journal 23 (2022):283-296.Chakkrit Sreela-or และ Punnada Tharungsri; Supawadee Yamkong;Patthanun Kotam;Prapasiri Jaipong. OPTIMUM CONDITIONS OF USING BIO-EXTRACT FROM URINE WITH VINASSE AND MANURE AFFECTING YIELDS OF MARIGOLD. Pibulsongkram Rajabhat University:ม.ป.ท. 2022.