1. 19 មករា 1990 Introduction to Citrus Publisher [United States] : ECHO, [1990] Media: DVD Summary: Dr. Campbell discusses growing diffrent types of citrus fruits in tropical conditions. As well as the best soil, drainage, and spacing in your garden. Description: set of 2discs
  2. 01 មិថុនា 1957 Also contains: "Insects and mites found on Florida citrus" and "Recommended fertilizers and nutrional sprays for citrus." 3 books, each with own pages numbers, illustrated, photos