A STUDY ON INCOME PATTERN OF RUBBER TAPPERS IN KALKULAM TALUK, KANNIYAKUMARI DISTRICT. International Journal of Food and Nutritional Sciences, [S. l.], v. 11, n. 12, p. 9490–9501, 2022. Disponível em: http://www.ijfans.org/index.php/Journal/article/view/13812. Acesso em: 25 aug. 2026.