00647nam a22002171 4500 sa 68002991 DLC 20260227112448.0 710903s1965 ii ab 00010 eng sa 68002991 PL480:I-E-9521 a-ii--- SD387.S73 C5 Chacko, V. J. A manual on sampling techniques for forest surveys, by V. J. Chacko. Delhi, Manager of Publications, 1965. xiv, 172 p. illus., maps. 25 cm. Rs16 $5.76 Forests and forestry India Statistical methods. Sampling (Statistics) 79148 79148