"loney, s l. "
plane trigonometry: / s.l. loney - 1 ed. - india : s.chand 1991. - "xiii, 211p.; 18 cm."
hard cover
--
516. 242 lon
plane trigonometry: / s.l. loney - 1 ed. - india : s.chand 1991. - "xiii, 211p.; 18 cm."
hard cover
--
516. 242 lon