Weaver, . (1976). Plant Ecology. Bombay: Tata Mc Graw Hill Pub Com LTD.
Weaver, . 1976. Plant Ecology. Bombay: Tata Mc Graw Hill Pub Com LTD.
Weaver, . Plant Ecology. Bombay: Tata Mc Graw Hill Pub Com LTD. 1976.