VALIDITY OF PRODUCT LIFE CYCLE

[1] BEVILLE HM, 1966, THESIS NEW YORK U

[2] BUZZELL RD, 1968, GROCERY MANUFACTURIN, P39

[3] Clifford Jr. D.D., 1965, DUNS REV MODERN MAY, P62

[4] COOK VJ, 1967, BRAND POLICY DETERMI, P49

[5] COX WE, 1967, J BUS, V40, P375

[6] Dean J, 1950, HARVARD BUS REV, V28, P45

[7] FORRESTER JW, 1959, HARVARD BUS REV, V37, P100

[8] HINKLE J, 1966, LIFE CYCLES

[9] KOTLER P, 1966, COMPUTER SIMULATION

[10] LEVITT T, 1965, HARVARD BUS REV, V43, P81

[1] BEVILLE HM, 1966, THESIS NEW YORK U

[2] BUZZELL RD, 1968, GROCERY MANUFACTURIN, P39

[3] Clifford Jr. D.D., 1965, DUNS REV MODERN MAY, P62

[4] COOK VJ, 1967, BRAND POLICY DETERMI, P49

[5] COX WE, 1967, J BUS, V40, P375

[6] Dean J, 1950, HARVARD BUS REV, V28, P45

[7] FORRESTER JW, 1959, HARVARD BUS REV, V37, P100

[8] HINKLE J, 1966, LIFE CYCLES

[9] KOTLER P, 1966, COMPUTER SIMULATION

[10] LEVITT T, 1965, HARVARD BUS REV, V43, P81